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(sin 3 thea - sin theta sin ^(2) (2 thet...

`(sin 3 thea - sin theta sin ^(2) (2 theta ))/( sin theta + sin 2 theta cos theta ) = cos x implies x =`

A

`4 theta `

B

`2theta `

C

`theta `

D

`3 theta `

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The correct Answer is:
B
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