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4 sin ((pi)/(3) + theta)sin ((pi)/(3)- t...

`4 sin ((pi)/(3) + theta)sin ((pi)/(3)- theta)=`.............. A) ` 1+ cos theta ` B) `1- 2 cos 2 theta`
C) `2 cos 2 theta -1` D) `1+ 2 cos 2 theta`

A

` 1+ cos theta `

B

`1- 2 cos 2 theta`

C

`2 cos 2 theta -1`

D

`1+ 2 cos 2 theta`

Text Solution

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The correct Answer is:
D
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