To Find: Differentiation

NOTE : When 2 functions are in the product then we used product rule i.e

Let us take y = sin x sin 2x

So, by using the above formula, we have

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

Differentiation of y = sin x sin 2x is 2sin)cos 2 + sin (sin)