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(1)/(sin3alpha)[sin^(3)alpha+sin^(3)((2p...

`(1)/(sin3alpha)[sin^(3)alpha+sin^(3)((2pi)/(3)+alpha)+sin^(3)((4pi)/(3)+alpha)]` is equal to

A

`(4)/(3)`

B

`(3)/(4)`

C

`(-3)/(4)`

D

`(-4)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
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