यदि sin theta = (x^(2) -y^(2))/(x^(2)+y^...

यदि `sin theta = (x^(2) -y^(2))/(x^(2)+y^(2))` , तो `cos theta` का मान होगा

A

`(2x^(2)y^(2))/(x^(2)+y^(2))`

B

`(2xy)/(x^(2)+y^(2))`

C

`(2x^(2)y^(2))/(x^(2)-y^(2))`

D

`(2xy)/(x^(2)-y^(2))`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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