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Let f(theta)=sin theta(sin theta +sin 3 ...

Let `f(theta)=sin theta(sin theta +sin 3 theta). " Then " f(theta)`

A

`ge` 0 only when `theta ge 0`

B

`le 0` for all real `theta`.

C

`ge 0` for all real `theta`

D

`ge` only when `theta ge` 0

Text Solution

Verified by Experts

The correct Answer is:
C
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