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

6 years ago


Answers : (3)


Dear Hemanth

LHS = sin(x+y)/sin(x-y)

      = (sinx*cosy + cosx*siny) / (sinx*cosy - cosx*siny)

comparing LHS with RHS



divide a by b

a/b= tanx/tany


All the best


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