(sin theta + cos theta)^(2) - (sin theta...

`(sin theta + cos theta)^(2) - (sin theta - cos theta)^(2)` = ?

A

0

B

2

C

`cos^(2) theta`

D

`4 sin theta.costheta`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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