([2 cot((pi-A)/(2))])/([1+tan^(2)((2pi-A...

`([2 cot((pi-A)/(2))])/([1+tan^(2)((2pi-A)/(2))])` का मान क्या है ?

A

`2 sin^(2) ""(A)/(2)`

B

cos A

C

sin A

D

`2 cos^(2) ((A)/(2))`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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