Question

1-cos(12x)
2cos^2(12x)
2sin^2(12x)
2cos^2(6x)
2sin^2(6x)

Answer 1

the first one is the question and others are options?

or there are 5 questions? :3

Answer 2

\(\Large 1-\cos 2A = 2 \sin^2 A\)
use that :)

Answer 3

here,
2A = 12x

Answer 4

Cutie: your question is crying out for clarification. What do the instructions for this problem say?

Answer 5

yes the first one is the question!! sorry for such a broad question. @mathmale @hartnn

Answer 6

2sin^2(6x)

Answer 7

yep, thats correct :)