Question

Find the points of local maxima and local minima respectively for the function f(x) = sin 2x – x , where
−π2≤x≤π2
(a) −π/6, π/6
(b) π/3, −π/3
(c) −π/3, π/3
(d) π/6, −π/6​

Answer 1

Answer:

option d............?