140k views
0 votes
Verify the identity.

cos 4x + cos 2x = 2 - 2 sin^2(2x) - 2 sin^2 x

User Mike Mu
by
7.9k points

1 Answer

3 votes
So are you trying to simplify one side to get it to look like the other?
User Lempkin
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.