Trigonometric equations and identities

Progress
The inverse trigonometric functions
Solving basic sinusoidal equations
Solving advanced sinusoidal equations
Quiz
5 questions from the previous 3 lessons
Solving sinusoidal models
Introduction to the trigonometric angle addition identities
Using trigonometric identities to solve problems
Unit test
10 questions
Lessons
The inverse trigonometric functionsSolving basic sinusoidal equationsSolving advanced sinusoidal equationsQuizSolving sinusoidal modelsIntroduction to the trigonometric angle addition identitiesUsing trigonometric identities to solve problemsUnit test
The inverse trigonometric functions
Learn
Intro to arcsine
Intro to arctangent
Intro to arccosine
Restricting domains of functions to make them invertible
Domain & range of inverse tangent function
Using inverse trig functions with a calculator
Inverse trigonometric functions review
Practice
Evaluate inverse trig functions
100%
Completed
Solving basic sinusoidal equations
Learn
Solving sinusoidal equations of the form sin(x)=d
Solving cos(θ)=1 and cos(θ)=-1
Practice
Solve sinusoidal equations (basic)
4 questions
Practice
Solving advanced sinusoidal equations
Practice
Solve sinusoidal equations
4 questions
Practice
Quiz
These 5 questions cover concepts in:
The inverse trigonometric functions
Solving basic sinusoidal equations
Solving advanced sinusoidal equations
Solving sinusoidal models
Learn
Trig word problem: solving for temperature
Trigonometric equations review
Practice
Sinusoidal models word problems
4 questions
Practice
Introduction to the trigonometric angle addition identities
Learn
Review of trig angle addition identities
Using the cosine angle addition identity
Using the cosine double-angle identity
Proof of the sine angle addition identity
Proof of the cosine angle addition identity
Practice
Using the trig angle addition identities
4 questions
Practice
Using trigonometric identities to solve problems
Learn
Finding trig values using angle addition identities
Using trig angle addition identities: finding side lengths
Using trig angle addition identities: manipulating expressions
Using trigonometric identities
Trig identity reference
Practice
Find trig values using angle addition identities
4 questions
Practice
Unit test
Test your understanding of Trigonometric equations and identities with these 10 questions.

It takes about 15 to 20 minutes to finish this test.