# Proving trig identity

1. Mar 6, 2006

### clook

figured it out thanks!

Last edited: Mar 6, 2006
2. Mar 6, 2006

### Integral

Staff Emeritus
Really this is so easy that I think you need to spend a couple more minutes playing with it on your own.

Remember the best way to start is to express everything in terms of sine and cosine.

Last edited: Mar 6, 2006