Question

defferentiate it d/dx(sin2x)

Answer 1

$\frac{d}{dx} \sin(2x) = \cos(2x) \frac{d}{dx} 2x \\ \\ = 2 \cos(2x ) \\ \\ \\ hope \: it \: helps....$

Answer 2

d/dx sin2x
d/dx sinx=cosx
so
d/dxsin2x=2cos2x