Friday
May 29, 2015

Homework Help: pre-calc

Posted by Amanda on Sunday, April 22, 2012 at 6:21pm.

simplfy the expression by double angle formula or a half angle formula.

cos^2(x/2)-sin^2(x/2)

2sin(x/2)cos(x/2)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Members