Answers:
(i)
Using derivative formula,
1 – cos x = 2 sin2(x/2)
(ii)
Using derivative formula,
Find the derivatives of the following functions at the indicated points: (i) sin x at x = π/2 (ii) x at x = 1
Find the derivatives of the following functions at the indicated points: (i) sin x at x = π/2 (ii) x at x = 1