Question

Find maxima and minima of sin(cos ∅)?

Answer 1

If -1≤cos ∅≤1
-π/3≤cos ∅≤π/3  (Approx)
-√3/2≤sin(cos ∅)≤√3/2
So -sin 1°≤sin(cos ∅)≤sin 1°

Hope it helps..

Answer 2

Hlo Every one this is the answer hope it will help you