Question 121

If f (θ) = sinθ (sinθ + sin3θ) then f (θ)


a) ≥ 0 only when θ ≥ 0

b) ≤ 0 for all real θ

c) ≥ 0 for all real θ

d) ≤ θ only when θ ≤ 0

IIT 2000

Your Answer

ABCD   CLEAR