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sin 3 theta * cos^(3) theta + cos 3 thet...

`sin 3 theta * cos^(3) theta + cos 3 theta * sin^(3) theta = `

A

`(3)/(4) sin 4 theta `

B

` (3)/(4) cos 4 theta `

C

`(3)/(4) tan 4 theta `

D

`(3)/(4) cot 4 theta `

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The correct Answer is:
A
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