Solving trig equations using identities.

1. Today we will learn
how to find x.
Confused Milli by Jamarr
Who needs Pythagoras' theorem by dullhunk

2. A little warm-up ... prove:

3. Now, solve this equation:

4. Now, solve these for all x:

5. Now, solve these for all x:

6. And, now, back to our regularly scheduled programming ...
Given: With and
Find

7. Prove each of the following identities ...

8. Prove each of the following identities ...