Join Game Changers!

Apply Today and receive complimentary 6 month Premium subscription!
Quick Homework Help
(down) 0 (up)

what am I suppose to do with this? cos^2(x/4) - sen^2(x/4) = ~ do i need to use lowering power and half-angle formulas? I'm very confused . Any help will be sincerily appreciated.

Liz_Darlene

by Liz_Darlene at April 30, 2010

 

Answers

Best Answer
(up) 0 (down)
You have to use to the half-angle formulas.

Sadie Sadie May 01, 2010

(up) 0 (down)
Would it be possible to use logarithms in this situation? I am not sure...

Huiho Huiho May 01, 2010

Add your answer


Post your answer

Try Instatnt Math