Question

Rewrite with only sin x and cos x.

sin 2x - cos 2x

Answer 1

@xapproachesinfinity if you're not busy, could you help me with this one? It is my last question!

Answer 2

@ganeshie8 do you think you could help?

Answer 3

hmm do you know double angle identities?
you should know them

Answer 4

sin2x=2sinxcosx

Answer 5

also cos^2 x= cos^2x-sin^2x

Answer 6

try to use those...

Answer 7

by the way is that \(\sin 2x -\cos2x\) or \(\sin^2 x-\cos^2 x\)

Answer 8

?