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What is the value of [2 cot xx (pi -A)//...

What is the value of `[2 cot xx (pi -A)//2]//[1 +tan^2 xx (2 pi-A)//2]` ?
`[2 cot xx (pi -A)//2]//[1 + tan^2 xx (2 pi-A)//2]` का मान क्या है?

A

A)`2 sin^2 A//2`

B

B)cos A

C

C)sin A

D

D)`2 cos^2 A//2`

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