I'm doing the following question:
I'm halfway through the question and managed to get this so far: Attachment 535009535013
However, I think I may have got that part right by a wrong method of dividing my equation by cos(theta) and cos(2theta) halfway through. Is that allowed, or should I have used Trig identities?
Simplifying Trig equations Watch
- Thread Starter
- 19-05-2016 23:09
- 19-05-2016 23:14