Sin(x+y)/sin(x-y)=a+b/a-b,show that tan x/tan y=a/b

1.	Sin(x+y)/sin(x-y)=a+b/a-b,show that tan x/tan y=a/b
Answer» (sin(x+y) +sin(x-y)) /(sin(x+y)-sin(x-y)) =(a+b+a-b) /(a+b-a+b) By using componando & dividendo 2sinx.cosy/2cosx.siny=a/b Sinx.cosy/cosx. siny =a/bTanx/tany=a/b

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