If sqrt((1+cosA)/(1-cosA))=(x)/(y), the...

If `sqrt((1+cosA)/(1-cosA))=(x)/(y)`, then the value of tan A =

A

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

B

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

C

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

D

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

Verified by Experts

The correct Answer is:

B

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