# Trigonometric equations and identities

# Unlock your personalized study plan

Take a quiz to identify your areas for growth. We'll recommend lessons for exactly what you need to learn.

Lessons

The inverse trigonometric functionsSolving basic sinusoidal equationsSolving advanced sinusoidal equationsQuizSolving sinusoidal modelsIntroduction to the trigonometric angle addition identitiesUsing trigonometric identities to solve problemsChallenging trigonometry problemsUnit testPractice

Quiz

Unit test

Learn

Practice

Evaluate inverse trig functions

4 questions

Practice

Practice

Solve sinusoidal equations

4 questions

Practice

Identify your areas for growth in these lessons:

Practice

Sinusoidal models word problems

4 questions

Practice

Learn

Practice

Find trig values using angle addition identities

4 questions

Practice

Learn

Test your understanding of

**Trigonometric equations and identities**with these 10 questions.About this unit

Learn how to solve trigonometric equations and how to use trigonometric identities to solve various problems.