Practice problem
What's the derivative of (x+3)sinx(x+3) \sin x(x+3)sinx?
(x+3)cosx+sinx(x+3) \cos x + \sin x(x+3)cosx+sinx
(x+3)cosx(x+3) \cos x(x+3)cosx
cosx\cos xcosx
Type a concept, like “slope” or “photosynthesis”.