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

`(sin(x+y))/(sin(x-y))=(a+b)/(a-b)`, then `(tanx)/(tany)=?`

A

`a/b`

B

`b/a`

C

`(a+b)/(a-a)`

D

`(a-b)/(a+a)`

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The correct Answer is:
A
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