sec^2alpha(1+1/("cosec"alpha))(1-1/("cos...

`sec^2alpha(1+1/("cosec"alpha))(1-1/("cosec"alpha))` का मान ज्ञात करें।

A

`-1`

B

`sin^2 alpha`

C

1

D

`tan^4 alpha`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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