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

If `(sin (x + y))/(sin (x -y)) = (a + b)/(a - b)` , then the value of `(tanx )/(tany)` is

A

a/b

B

b/a

C

ab

D

(a- b) / (a+ b)

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The correct Answer is:
A
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