EMSolution Trigonometry Equations


 Get an effective help in learning problemsolving skills and grasping math concepts! EMSolution offers an infinite number of fully explained solutions. Each solution evolves step by step; each step of solution is provided with its objective, grounding definition and rule and with underlying formula or theorem. EMSolution encourages students to learn through indepth understanding of each solution step and repetition rather than through rote memorization. You can review solutions step by step, learn related math concepts, study solution methods, try to solve similar math problems on your own, and in parallel, learn math lexicon in a foreign language! For math teachers, EMSolution offers a number of easytouse test authoring options. You can select problems by topic, solution method and complexity level, prepare printable math tests and develop numerous test variants literally in a minute. A difficulty scale for each task will assist teachers in a class of mixed ability students. Free fully functional downloadable version of EMSolution is available. Free online demos allow trying most of the user options and viewing examples of fully explained solutions. 


Parameters of the program
Name of program:

EMSolution_Trigonometry_Equations

Number of problems:

48626

Number of similar variants:

20

Languages of interface:

English, German

Price:

78 EUR

Size of archive:

4998 kb

48632 trigonometric equations. Fully explained stepbystep solutions. Related theory. All trigonometric and arctrigonometric functions included. Option of translation. Sorting problems by topics, complexity levels and solution methods. Authoring options enabling development of tests, quizzes, exams and problem solving lesson plans. Automatic generation of variant tests. Dozens of ready tests.
System Requirements:
Pentium 2 or higher
64 MB RAM
Windows 98 or higher
Internet Explorer 5.5 or higher
Plugin MathPlayer (downloadable from here)
Program's detail
Examples
An online sample of math problems and problem solutions from this program is provided below:
EMTEACHLINE MATHEMATICS SOFTWARE: MATH PROBLEM SOLVING FOR KIDS AND TEENS
Press release
ABSTRACT. EMTeachline Software has released a PCbased mathematics software package that offers a huge collection of problemsolving lessons in arithmetic, prealgebra, algebra, trigonometry and hyperbolic trigonometry with handson tutorials. This encyclopedic software contains hundreds of thousands of fully explained step by step solutions to math problems from basic to advanced and thousands of related definitions, rules, math formulas and theorems. Each step of solution is provided with its objective, relevant definition and rule, and with fully explained step by step proof of the underlying math formulae or theorem. The software helps children review, explore and effectively learn essential math skills. Easytouse test authoring tools enable math teachers to develop customizable math tests, variant tests, quizzes, exams and problemsolving lesson plans. The software is suitable for elementary, middle and high school use. Designed as a supplement classroom instruction. Provides a useful help for math teachers.
1. SOFTWARE OVERVIEW
Building problem solving skills in math requires grasping math concepts and a large amount of training in solving similar tasks. EMTeachline Mathematics Software provides children with the chance to do just that. This software encourages kids to learn through indepth understanding of each solution step and repetition rather than through rote memorization. Children who are struggling in math learn best through repetition. Those who stick with this mathematics software will come away with a stronger understanding of fundamental math concepts, improved higherlevel thinking skills and excellent skills in solving math problems.
EMTeachline Mathematics Problem Solving Software  EMSolution  consists of dozens of modules arranged in topics. Each module offers hundreds of math problem types, with dozens of similar math problems within one type. Math learning is effective when problems gradually advance in difficulty. This software offers 11 levels of complexity for each problem type, from basic to extra difficult. Kids who are strong in math and need a challenge can adjust the difficulty level at any moment.
Learners can review solutions step by step and study related math theory. Each step of solution is provided with its objective, relevant definition and rule, and with fully explained step by step proof of the underlying math formulae or theorem. This tutoring material is provided in a useful manner, so that it is always under hand. A set of ready math tests is designed for children to review and reinforce their math skills. Problem situations, solutions and tutoring material can be printed out.
More than just a math tutorial, this bilingual problemsolving software offers a way for children to learn math lexicon in a foreign language. Translation of any text to German (or another language) is easily obtained by doubleclicking on it. Those who study not in a native language will find this option particularly attractive.
Test authoring options make development of math tests, quizzes, homeworks and exams an easy and creative work. With thousands math problems at hands, math teachers do not have to search for fresh exmples. You can select math problems by complexity levels, solution methods and types of tasks; develop customizable math tests of varied complexity in a minute; create your own didactic materials and problemsolving lesson plans, and generate numerous similar variant tests around a constructed example. All developed materials can be printed out or stored in a file and reused. These easytouse authoring tools provide an ideal solution for a classroom teacher.
Let's be honest  this program is not for funseekers. No sounds, no colorful visual effects. The tutorial material is presented in a dry academic fashion. Most kids would use this program to review for an exam that they are required to take. However, the contents hold much appeal for children who enjoy solving math problems and like challenges. Those who look for a systematic math knowledge will find the software to be particularly engaging.
2. SKILLS COVERED
Arithmetic and PreAlgebra: Operations: multiplication, division, addition, subtraction. Fractions, powers. Numeric expressions: estimation, equivalencies, problemsolving. Solving arithmetic problems using algebraic formulas.
Algebra: Polynomial and fractional rational expressions: transformation, simplification, evaluation. Solution of linear, quadratic, cubic, biquadratic, reciprocal and fractional algebraic equations and inequalities. Proofs of algebraic identities. Solution methods: Substitution, factoring, grouping, Bezout theorem, formulas of short multiplication, method of intervals and more. Related theory: definitions and rules, proof of algebraic formulas and theorems.
Trigonometry and Hyperbolic Trigonometry: trigonometric and hyperbolic functions, arcus functions. Trigonometric and hyperbolic expressions: transformation, simplification, evaluation. Solution of trigonometric and hyperbolic equations. Proofs of trigonometric and hyperbolic identities. Solution methods: universal substitution, sum, product and addition of trigonometric functions, power reduction, multiple argument, shift of argument and more. Related theory: definitions and rules, proof of trigonometric and hyperbolic formulas.
3. USER OPTIONS
For math students: You can review solutions of math problems step by step, learn related math concepts, study solution methods, review proofs of used math formulas, try to solve similar math problems on your own, and in parallel, learn math lexicon in a foreign language!
For math teachers: You can use an extensive bank of math problems; arrange problems by topic, complexity level, solution method and type of task; compile math tests, quizzes, homeworks and exams of varied complexity; create your own didactic materials and problemsolving lesson plans; generate numerous similar variant math tests around a constructed example. You can use dozens of ready variant tests.
Contents of the program
Themes
Chapters and sections
Trigonometric equations 
Chapters 
Sections 
Elementary trigonometric equations

 Elementary trigonometric equations. Elementary trigonometric equations
 Elementary trigonometric equations. Elementary trigonometric equations with shift of argument
 Elementary trigonometric equations. Linear trigonometric equations
 Elementary trigonometric equations. Linear trigonometric equations with shift of argument

Trigonometric equations reduced to rational equations. Sine function

 Trigonometric equations reduced to rational equations. Sine function. Elementary linear equations
 Trigonometric equations reduced to rational equations. Sine function. Equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Sine function. Equations reduced to linear equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Sine function. Linear equations. Distributive law
 Trigonometric equations reduced to rational equations. Sine function. Linear equations. Formulas of short multiplication. Cubes
 Trigonometric equations reduced to rational equations. Sine function. Linear equations. Properties of powers
 Trigonometric equations reduced to rational equations. Sine function. Linear equations containing fractions
 Trigonometric equations reduced to rational equations. Sine function. Homographic equations with rational coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Sine function. Homographic equations with integer coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Sine function. Homographic equations with rational coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Sine function. Homographic equations with integer coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Sine function. Equations reduced to linear. Method of substitution. Distributive law
 Trigonometric equations reduced to rational equations. Sine function. Elementary quadratic equations
 Trigonometric equations reduced to rational equations. Sine function. Equations with integer coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Sine function. Quadratic equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Sine function. Quadratic equations with rational coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Sine function. Equations reduced to quadratic. Factorization of quadratic trinomial
 Trigonometric equations reduced to rational equations. Sine function. Equations reduced to quadratic. Properties of powers
 Trigonometric equations reduced to rational equations. Sine function. Fractional algebraic equations reduced to quadratic equations. Distributive law
 Trigonometric equations reduced to rational equations. Sine function. Quadratic equations containing fractions
 Trigonometric equations reduced to rational equations. Sine function. Equations. Grouping method
 Trigonometric equations reduced to rational equations. Sine function. Equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Sine function. Equations. Method of substitution. Properties of fractions
 Trigonometric equations reduced to rational equations. Sine function. Fractional equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Sine function. Highdegree equations. Perfect square
 Trigonometric equations reduced to rational equations. Sine function. Fractional algebraic equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Sine function. Fractional algebraic equations reduced to quadratic equations
 Trigonometric equations reduced to rational equations. Sine function. Elementary fractional algebraic equations
 Trigonometric equations reduced to rational equations. Sine function. Fractional algebraic equations reduced to quadratic equations. Method of substitution
 Trigonometric equations reduced to rational equations. Sine function. Fractional algebraic equations. Method of substitution

Trigonometric equations reduced to rational equations. Cosine function

 Trigonometric equations reduced to rational equations. Cosine function. Elementary linear equations
 Trigonometric equations reduced to rational equations. Cosine function. Equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Cosine function. Equations reduced to linear equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Cosine function. Linear equations. Distributive law
 Trigonometric equations reduced to rational equations. Cosine function. Linear equations. Formulas of short multiplication. Cubes
 Trigonometric equations reduced to rational equations. Cosine function. Linear equations. Properties of powers
 Trigonometric equations reduced to rational equations. Cosine function. Linear equations containing fractions
 Trigonometric equations reduced to rational equations. Cosine function. Homographic equations with rational coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Cosine function. Homographic equations with integer coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Cosine function. Homographic equations with rational coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Cosine function. Homographic equations with integer coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Cosine function. Equations reduced to linear. Method of substitution. Distributive law
 Trigonometric equations reduced to rational equations. Cosine function. Elementary quadratic equations
 Trigonometric equations reduced to rational equations. Cosine function. Equations with integer coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Cosine function. Quadratic equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Cosine function. Quadratic equations with rational coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Cosine function. Equations reduced to quadratic. Factorization of quadratic trinomial
 Trigonometric equations reduced to rational equations. Cosine function. Equations reduced to quadratic. Properties of powers
 Trigonometric equations reduced to rational equations. Cosine function. Fractional algebraic equations reduced to quadratic equations. Distributive law
 Trigonometric equations reduced to rational equations. Cosine function. Quadratic equations containing fractions
 Trigonometric equations reduced to rational equations. Cosine function. Equations. Grouping method
 Trigonometric equations reduced to rational equations. Cosine function. Equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Cosine function. Equations. Method of substitution. Properties of fractions
 Trigonometric equations reduced to rational equations. Cosine function. Fractional equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Cosine function. Highdegree equations. Perfect square
 Trigonometric equations reduced to rational equations. Cosine function. Fractional algebraic equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Cosine function. Fractional algebraic equations reduced to quadratic equations
 Trigonometric equations reduced to rational equations. Cosine function. Elementary fractional algebraic equations
 Trigonometric equations reduced to rational equations. Cosine function. Fractional algebraic equations reduced to quadratic equations. Method of substitution
 Trigonometric equations reduced to rational equations. Cosine function. Fractional algebraic equations. Method of substitution

Trigonometric equations reduced to rational equations. Tangent function

 Trigonometric equations reduced to rational equations. Tangent function. Elementary linear equations
 Trigonometric equations reduced to rational equations. Tangent function. Equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Tangent function. Equations reduced to linear equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Tangent function. Linear equations. Distributive law
 Trigonometric equations reduced to rational equations. Tangent function. Linear equations. Formulas of short multiplication. Cubes
 Trigonometric equations reduced to rational equations. Tangent function. Linear equations. Properties of powers
 Trigonometric equations reduced to rational equations. Tangent function. Linear equations containing fractions
 Trigonometric equations reduced to rational equations. Tangent function. Homographic equations with rational coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Tangent function. Homographic equations with integer coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Tangent function. Homographic equations with rational coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Tangent function. Homographic equations with integer coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Tangent function. Equations reduced to linear. Method of substitution. Distributive law
 Trigonometric equations reduced to rational equations. Tangent function. Elementary quadratic equations
 Trigonometric equations reduced to rational equations. Tangent function. Equations with integer coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Tangent function. Quadratic equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Tangent function. Quadratic equations with rational coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Tangent function. Equations reduced to quadratic. Factorization of quadratic trinomial
 Trigonometric equations reduced to rational equations. Tangent function. Equations reduced to quadratic. Properties of powers
 Trigonometric equations reduced to rational equations. Tangent function. Fractional algebraic equations reduced to quadratic equations. Distributive law
 Trigonometric equations reduced to rational equations. Tangent function. Quadratic equations containing fractions
 Trigonometric equations reduced to rational equations. Tangent function. Equations. Grouping method
 Trigonometric equations reduced to rational equations. Tangent function. Equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Tangent function. Equations. Method of substitution. Properties of fractions
 Trigonometric equations reduced to rational equations. Tangent function. Fractional equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Tangent function. Highdegree equations. Perfect square
 Trigonometric equations reduced to rational equations. Tangent function. Fractional algebraic equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Tangent function. Fractional algebraic equations reduced to quadratic equations
 Trigonometric equations reduced to rational equations. Tangent function. Elementary fractional algebraic equations
 Trigonometric equations reduced to rational equations. Tangent function. Fractional algebraic equations reduced to quadratic equations. Method of substitution
 Trigonometric equations reduced to rational equations. Tangent function. Fractional algebraic equations. Method of substitution

Trigonometric equations reduced to rational equations. Cotangent function

 Trigonometric equations reduced to rational equations. Cotangent function. Elementary linear equations
 Trigonometric equations reduced to rational equations. Cotangent function. Equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Cotangent function. Equations reduced to linear equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Cotangent function. Linear equations. Distributive law
 Trigonometric equations reduced to rational equations. Cotangent function. Linear equations. Formulas of short multiplication. Cubes
 Trigonometric equations reduced to rational equations. Cotangent function. Linear equations. Properties of powers
 Trigonometric equations reduced to rational equations. Cotangent function. Linear equations containing fractions
 Trigonometric equations reduced to rational equations. Cotangent function. Homographic equations with rational coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Cotangent function. Homographic equations with integer coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Cotangent function. Homographic equations with rational coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Cotangent function. Homographic equations with integer coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Cotangent function. Equations reduced to linear. Method of substitution. Distributive law
 Trigonometric equations reduced to rational equations. Cotangent function. Elementary quadratic equations
 Trigonometric equations reduced to rational equations. Cotangent function. Equations with integer coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Cotangent function. Quadratic equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Cotangent function. Quadratic equations with rational coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Cotangent function. Equations reduced to quadratic. Factorization of quadratic trinomial
 Trigonometric equations reduced to rational equations. Cotangent function. Equations reduced to quadratic. Properties of powers
 Trigonometric equations reduced to rational equations. Cotangent function. Fractional algebraic equations reduced to quadratic equations. Distributive law
 Trigonometric equations reduced to rational equations. Cotangent function. Quadratic equations containing fractions
 Trigonometric equations reduced to rational equations. Cotangent function. Equations. Grouping method
 Trigonometric equations reduced to rational equations. Cotangent function. Equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Cotangent function. Equations. Method of substitution. Properties of fractions
 Trigonometric equations reduced to rational equations. Cotangent function. Fractional equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Cotangent function. Highdegree equations. Perfect square
 Trigonometric equations reduced to rational equations. Cotangent function. Fractional algebraic equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Cotangent function. Fractional algebraic equations reduced to quadratic equations
 Trigonometric equations reduced to rational equations. Cotangent function. Elementary fractional algebraic equations
 Trigonometric equations reduced to rational equations. Cotangent function. Fractional algebraic equations reduced to quadratic equations. Method of substitution
 Trigonometric equations reduced to rational equations. Cotangent function. Fractional algebraic equations. Method of substitution

Trigonometric equations reduced to rational equations. Arc sine function

 Trigonometric equations reduced to rational equations. Arc sine function. Elementary linear equations
 Trigonometric equations reduced to rational equations. Arc sine function. Equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Arc sine function. Equations reduced to linear equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc sine function. Linear equations. Distributive law
 Trigonometric equations reduced to rational equations. Arc sine function. Linear equations. Formulas of short multiplication. Cubes
 Trigonometric equations reduced to rational equations. Arc sine function. Linear equations. Properties of powers
 Trigonometric equations reduced to rational equations. Arc sine function. Linear equations containing fractions
 Trigonometric equations reduced to rational equations. Arc sine function. Homographic equations with rational coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Arc sine function. Homographic equations with integer coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Arc sine function. Homographic equations with rational coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc sine function. Homographic equations with integer coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc sine function. Equations reduced to linear. Method of substitution. Distributive law
 Trigonometric equations reduced to rational equations. Arc sine function. Elementary quadratic equations
 Trigonometric equations reduced to rational equations. Arc sine function. Equations with integer coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Arc sine function. Quadratic equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc sine function. Quadratic equations with rational coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Arc sine function. Equations reduced to quadratic. Factorization of quadratic trinomial
 Trigonometric equations reduced to rational equations. Arc sine function. Equations reduced to quadratic. Properties of powers
 Trigonometric equations reduced to rational equations. Arc sine function. Fractional algebraic equations reduced to quadratic equations. Distributive law
 Trigonometric equations reduced to rational equations. Arc sine function. Quadratic equations containing fractions
 Trigonometric equations reduced to rational equations. Arc sine function. Equations. Grouping method
 Trigonometric equations reduced to rational equations. Arc sine function. Equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc sine function. Equations. Method of substitution. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc sine function. Fractional equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc sine function. Highdegree equations. Perfect square
 Trigonometric equations reduced to rational equations. Arc sine function. Fractional algebraic equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Arc sine function. Fractional algebraic equations reduced to quadratic equations
 Trigonometric equations reduced to rational equations. Arc sine function. Elementary fractional algebraic equations
 Trigonometric equations reduced to rational equations. Arc sine function. Fractional algebraic equations reduced to quadratic equations. Method of substitution
 Trigonometric equations reduced to rational equations. Arc sine function. Fractional algebraic equations. Method of substitution

Trigonometric equations reduced to rational equations. Arc cosine function

 Trigonometric equations reduced to rational equations. Arc cosine function. Elementary linear equations
 Trigonometric equations reduced to rational equations. Arc cosine function. Equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Arc cosine function. Equations reduced to linear equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc cosine function. Linear equations. Distributive law
 Trigonometric equations reduced to rational equations. Arc cosine function. Linear equations. Formulas of short multiplication. Cubes
 Trigonometric equations reduced to rational equations. Arc cosine function. Linear equations. Properties of powers
 Trigonometric equations reduced to rational equations. Arc cosine function. Linear equations containing fractions
 Trigonometric equations reduced to rational equations. Arc cosine function. Homographic equations with rational coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Arc cosine function. Homographic equations with integer coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Arc cosine function. Homographic equations with rational coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc cosine function. Homographic equations with integer coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc cosine function. Equations reduced to linear. Method of substitution. Distributive law
 Trigonometric equations reduced to rational equations. Arc cosine function. Elementary quadratic equations
 Trigonometric equations reduced to rational equations. Arc cosine function. Equations with integer coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Arc cosine function. Quadratic equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc cosine function. Quadratic equations with rational coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Arc cosine function. Equations reduced to quadratic. Factorization of quadratic trinomial
 Trigonometric equations reduced to rational equations. Arc cosine function. Equations reduced to quadratic. Properties of powers
 Trigonometric equations reduced to rational equations. Arc cosine function. Fractional algebraic equations reduced to quadratic equations. Distributive law
 Trigonometric equations reduced to rational equations. Arc cosine function. Quadratic equations containing fractions
 Trigonometric equations reduced to rational equations. Arc cosine function. Equations. Grouping method
 Trigonometric equations reduced to rational equations. Arc cosine function. Equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc cosine function. Equations. Method of substitution. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc cosine function. Fractional equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc cosine function. Highdegree equations. Perfect square
 Trigonometric equations reduced to rational equations. Arc cosine function. Fractional algebraic equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Arc cosine function. Fractional algebraic equations reduced to quadratic equations
 Trigonometric equations reduced to rational equations. Arc cosine function. Elementary fractional algebraic equations
 Trigonometric equations reduced to rational equations. Arc cosine function. Fractional algebraic equations reduced to quadratic equations. Method of substitution
 Trigonometric equations reduced to rational equations. Arc cosine function. Fractional algebraic equations. Method of substitution

Trigonometric equations reduced to rational equations. Arc tangent function

 Trigonometric equations reduced to rational equations. Arc tangent function. Elementary linear equations
 Trigonometric equations reduced to rational equations. Arc tangent function. Equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Arc tangent function. Equations reduced to linear equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc tangent function. Linear equations. Distributive law
 Trigonometric equations reduced to rational equations. Arc tangent function. Linear equations. Formulas of short multiplication. Cubes
 Trigonometric equations reduced to rational equations. Arc tangent function. Linear equations. Properties of powers
 Trigonometric equations reduced to rational equations. Arc tangent function. Linear equations containing fractions
 Trigonometric equations reduced to rational equations. Arc tangent function. Homographic equations with rational coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Arc tangent function. Homographic equations with integer coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Arc tangent function. Homographic equations with rational coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc tangent function. Homographic equations with integer coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc tangent function. Equations reduced to linear. Method of substitution. Distributive law
 Trigonometric equations reduced to rational equations. Arc tangent function. Elementary quadratic equations
 Trigonometric equations reduced to rational equations. Arc tangent function. Equations with integer coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Arc tangent function. Quadratic equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc tangent function. Quadratic equations with rational coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Arc tangent function. Equations reduced to quadratic. Factorization of quadratic trinomial
 Trigonometric equations reduced to rational equations. Arc tangent function. Equations reduced to quadratic. Properties of powers
 Trigonometric equations reduced to rational equations. Arc tangent function. Fractional algebraic equations reduced to quadratic equations. Distributive law
 Trigonometric equations reduced to rational equations. Arc tangent function. Quadratic equations containing fractions
 Trigonometric equations reduced to rational equations. Arc tangent function. Equations. Grouping method
 Trigonometric equations reduced to rational equations. Arc tangent function. Equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc tangent function. Equations. Method of substitution. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc tangent function. Fractional equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc tangent function. Highdegree equations. Perfect square
 Trigonometric equations reduced to rational equations. Arc tangent function. Fractional algebraic equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Arc tangent function. Fractional algebraic equations reduced to quadratic equations
 Trigonometric equations reduced to rational equations. Arc tangent function. Elementary fractional algebraic equations
 Trigonometric equations reduced to rational equations. Arc tangent function. Fractional algebraic equations reduced to quadratic equations. Method of substitution
 Trigonometric equations reduced to rational equations. Arc tangent function. Fractional algebraic equations. Method of substitution

Trigonometric equations reduced to rational equations. Arc cotangent function

 Trigonometric equations reduced to rational equations. Arc cotangent function. Elementary linear equations
 Trigonometric equations reduced to rational equations. Arc cotangent function. Equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Arc cotangent function. Equations reduced to linear equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc cotangent function. Linear equations. Distributive law
 Trigonometric equations reduced to rational equations. Arc cotangent function. Linear equations. Formulas of short multiplication. Cubes
 Trigonometric equations reduced to rational equations. Arc cotangent function. Linear equations. Properties of powers
 Trigonometric equations reduced to rational equations. Arc cotangent function. Linear equations containing fractions
 Trigonometric equations reduced to rational equations. Arc cotangent function. Homographic equations with rational coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Arc cotangent function. Homographic equations with integer coefficients. Method of substitution
 Trigonometric equations reduced to rational equations. Arc cotangent function. Homographic equations with rational coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc cotangent function. Homographic equations with integer coefficients. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc cotangent function. Equations reduced to linear. Method of substitution. Distributive law
 Trigonometric equations reduced to rational equations. Arc cotangent function. Elementary quadratic equations
 Trigonometric equations reduced to rational equations. Arc cotangent function. Equations with integer coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Arc cotangent function. Quadratic equations. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc cotangent function. Quadratic equations with rational coefficients. Distributive law
 Trigonometric equations reduced to rational equations. Arc cotangent function. Equations reduced to quadratic. Factorization of quadratic trinomial
 Trigonometric equations reduced to rational equations. Arc cotangent function. Equations reduced to quadratic. Properties of powers
 Trigonometric equations reduced to rational equations. Arc cotangent function. Fractional algebraic equations reduced to quadratic equations. Distributive law
 Trigonometric equations reduced to rational equations. Arc cotangent function. Quadratic equations containing fractions
 Trigonometric equations reduced to rational equations. Arc cotangent function. Equations. Grouping method
 Trigonometric equations reduced to rational equations. Arc cotangent function. Equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc cotangent function. Equations. Method of substitution. Properties of fractions
 Trigonometric equations reduced to rational equations. Arc cotangent function. Fractional equations. Method of substitution. Formulas of short multiplication
 Trigonometric equations reduced to rational equations. Arc cotangent function. Highdegree equations. Perfect square
 Trigonometric equations reduced to rational equations. Arc cotangent function. Fractional algebraic equations reduced to linear equations
 Trigonometric equations reduced to rational equations. Arc cotangent function. Fractional algebraic equations reduced to quadratic equations
 Trigonometric equations reduced to rational equations. Arc cotangent function. Elementary fractional algebraic equations
 Trigonometric equations reduced to rational equations. Arc cotangent function. Fractional algebraic equations reduced to quadratic equations. Method of substitution
 Trigonometric equations reduced to rational equations. Arc cotangent function. Fractional algebraic equations. Method of substitution

Trigonometric equations reduced to quadratic equations

 Trigonometric equations reduced to quadratic equations. Fundamental identity
 Trigonometric equations reduced to quadratic equations. Double angle
 Trigonometric equations reduced to quadratic equations. Fundamental identity. Double angle
 Trigonometric equations reduced to quadratic equations. Depression

Formulas of sum, product and addition of trigonometric functions

 Formulas of sum, product and addition of trigonometric functions. Transformation of sum to product. Sine
 Formulas of sum, product and addition of trigonometric functions. Transformation of sum to product. Cosine
 Formulas of sum, product and addition of trigonometric functions. Transformation of sum to product. Sine. Reduction formulas
 Formulas of sum, product and addition of trigonometric functions. Transformation of sum to product. Formulas of double angle
 Formulas of sum, product and addition of trigonometric functions. Transformation of sum to product
 Formulas of sum, product and addition of trigonometric functions. Transformation of sum to product. Depression of degree
 Formulas of sum, product and addition of trigonometric functions. Transformation of sum to product. The main identity
 Formulas of sum, product and addition of trigonometric functions. Transformation of product to sum
 Formulas of sum, product and addition of trigonometric functions. Addition formulas

Formulas of power reduction

 Formulas of power reduction. Sine. Cosine. Squares
 Formulas of power reduction. Biquadratic
 Formulas of power reduction. Sine. The fourth degree
 Formulas of power reduction. Cosine. The fourth degree
 Formulas of power reduction. Sine. Cosine. The fourth degree
 Formulas of power reduction. Double (angle. Fundamental identity

Multiple argument

 Multiple argument. Double angle
 Multiple argument. Triple angle. Quadratic equations
 Multiple argument. Triple angle. Reduction formulas
 Multiple argument. Triple angle. Double angle
 Multiple argument. Triple angle. Fundamental identity
 Multiple argument. Triple angle. Homogeneous equations

Homogeneous equations

 Homogeneous equations. Elementary homogeneous equations
 Homogeneous equations. Formula of double angle. Sine
 Homogeneous equations. Formula of double angle. Cosine
 Homogeneous equations. Fundamental identity
 Homogeneous equations. Fundamental identity. Formula of double angle. Sine
 Homogeneous equations. Formulas of double angle
 Homogeneous equations. Fundamental identity. Formulas of double angle
 Homogeneous equations. Formulas of depression

Universal substitution

 Universal substitution. Elementary
 Universal substitution. Formula of double angle. Sine
 Universal substitution. Formula of double angle. Cosine
 Universal substitution. Fundamental identity
 Universal substitution. Formulas of depression

Shift of argument

 Shift of argument. Elementary
 Shift of argument. Formula of double angle. Sine

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