Question

Sin * Cos == ?????....​

Answer 1

Explanation:

Sin × Cos = 1

sin(A + B) = sin(A)cos(B) + cos(A)sin(B)

Now let A = B = x. So we get:

sin(x + x) = sin(2x) = sin(x)cos(x) + cos(x)sin(x) = 2sin(x)cos(x)

Therefore,

sin(x)cos(x) = (1/2)sin(2x)

Hope this helps!

Answer 2

Attachment has the Answer