Given that the image of function f (x) = SiNx is shifted m units to the left, the image and the image of y = f '(x) form a closed figure, then the value of M may be A π/2 B 3π/4 C π D 3π/2

Given that the image of function f (x) = SiNx is shifted m units to the left, the image and the image of y = f '(x) form a closed figure, then the value of M may be A π/2 B 3π/4 C π D 3π/2

D 3π/2.