Question

For a certain angle theta(acute), sin theta=cos theta. Then what is the value sin 2theta?

Answer 1

Answer:

2sin^2Ф

Step-by-step explanation:

if sinФ=cosФ

then sin2Ф=?

sin2Ф=2sinФcosФ

         = 2sinФ.sinФ...(sinФ=cosФ)

         =2.sin^2Ф

hope it helps...