What is the derivative of f(x)=sin(2x)f(x) = \sin(2x)f(x)=sin(2x)?
2cos(2x)2\cos(2x)2cos(2x)
cos(2x)\cos(2x)cos(2x)
2sin(2x)2\sin(2x)2sin(2x)
−2cos(2x)-2\cos(2x)−2cos(2x)