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

Unit 2: Trigonometry

1,300 possible mastery points

About this unit

Knowing trig identities is one thing, but being able to prove them takes us to another level. In this unit, we'll prove various trigonometric identities and define inverse trigonometric functions, which allow us to solve trigonometric equations.

Level up on the above skills and collect up to 320 Mastery points
Level up on the above skills and collect up to 720 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 1,300 Mastery points!