Need all the step

total Knowledge and Understanding (15 marks) 1. Differentiate. You do not need to simplify. a) y = 2cos(x2) b) y = sin3 (x) NI c) y = sin d) y = sin(x) - cos2(x) NI 2 and is true or fales (7 manic) function is another sinusoidal function e) y = cos x tan x f) y = S sin(x) x 2 NI g) y = - sin x h) y=-2cos -x NI NI