If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content

Learn

Practice

Evaluate inverse trig functionsGet 3 of 4 questions to level up!

Learn

Practice

Solve sinusoidal equations (basic)Get 3 of 4 questions to level up!

Solve sinusoidal equationsGet 3 of 4 questions to level up!

Learn

Practice

Sinusoidal models word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

Learn

Practice

Using the trig angle addition identitiesGet 3 of 4 questions to level up!

Learn

Practice

Find trig values using angle addition identitiesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 200 Mastery points

Up next for you:#### Unit test

Level up on all the skills in this unit and collect up to 600 Mastery points!