43.4k views
1 vote
20 POINTS!

Rewrite with only sin x and cos x.

sin 2x - cos 2x

My choices are as follows:

20 POINTS! Rewrite with only sin x and cos x. sin 2x - cos 2x My choices are as follows-example-1

1 Answer

3 votes
Option 1.
sin(2x) = 2sin(x)cos(x)
cos(2x) = 1 - 2sin(x)^2
User Aleksey Mitskevich
by
5.6k points