what identies do i use? And the range is 0<x<360

We don't do homework for you here, however if you give it a try and show your work we may be able to guide you in the right direction. Review your course material, it may give you some clues.

Here (www.sosmath.com/trig/Trig5/trig5/trig5.html) is a table of identities that may help you.