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If (sin(x+y))/(sin(x-y))=(a+b)/(a-b) , t...

If `(sin(x+y))/(sin(x-y))=(a+b)/(a-b)` , then show that `(tanx)/(tany)=(a)/(b)`.

A

`b//a`

B

`a//b`

C

ab

D

none of these

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The correct Answer is:
B
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