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The value of 2sin^2theta+4cos(theta+alph...

The value of `2sin^2theta+4cos(theta+alpha)sinalphasintheta+cos2(alpha+theta)`

A

`cos theta + cos alpha`

B

independent of `theta`

C

independent of `alpha`

D

independent of both `theta ` and `alpha`

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The correct Answer is:
B
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