Hitunglah nilai dari F'(0) , jika F(x) = sinx cosx

F(x) = sinx cosx
u = sinx u' = cos x
v = cosx v' = -sinx

F'(x) = u.v' - u'.v
F'(x) = (sinx)(-sinx) - (cosx)(cosx)
F'(0) = sin 0 (-sin 0) - (cos 0)(cos 0)
F'(0) = 0 - (1)(1) = -1