यदि sin theta = (p^(2) -1)/(p^(2) +1) है...

यदि `sin theta = (p^(2) -1)/(p^(2) +1)` है तो `cos theta` बराबर है :

A

`(2p)/(1 + p^(2))`

B

`(p)/(p^(2)-1)`

C

`(p)/(1 + p^(2))`

D

`(2p)/(p^(2)-1)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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