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The function f(x) = 4 sin^(3)x - 6 sin^(...

The function `f(x) = 4 sin^(3)x - 6 sin^(2)x + 12 sin x +100` is strictly

A

increasing in `(pi, (3pi)/2)`

B

decreasing in `(pi/2, pi)`

C

decreasing in `[-pi/2,pi/2]`

D

increasing in `[0,pi/2]`

Text Solution

Verified by Experts

The correct Answer is:
B
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