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If : A+B+C=pi, "then" : sin 2A + sin 2 B...

If : `A+B+C=pi, "then" : sin 2A + sin 2 B - sin 2 C=` A)`4 sin A * cos B * cos C` B)`4 sin B * sin C * cos A ` C)`4 sin C * cos A * cos B` D)`4 sin A * sin B * sin C`

A

`4 sin A * cos B * cos C`

B

`4 sin B * sin C * cos A `

C

`4 sin C * cos A * cos B`

D

`4 sin A * sin B * sin C`

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The correct Answer is:
C
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