(2(1-sin^(2)theta) cosec^(2)theta)/(cot^...

`(2(1-sin^(2)theta) cosec^(2)theta)/(cot^(2)theta(1+tan^(2)theta))-1` का मान क्या है ?

A

`sin 2theta`

B

`sin^(2)theta`

C

`2 cos^(2)theta`

D

`cos 2theta`

Verified by Experts

The correct Answer is:

D

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