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If sin 2 x=n sin 2 y then the value of (...

If `sin 2 x=n sin 2 y` then the value of `(tan (x+y))/(tan (x-y))=`

A

`(n+1)/(n-1)`

B

`(n-1)/(n+1)`

C

`(1-n)/(n+1)`

D

`(1+n)/(1-n)`

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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
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