((1 + cos A)(1- cosA))/(sin^(2)A).sec^(2...

`((1 + cos A)(1- cosA))/(sin^(2)A).sec^(2)A` का मान होगा-

A

sec A

B

`sec^(2) A`

C

cos A

D

`cos^(2) A`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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