sin (x + y)/sin (x - y) = a+b/a-b then tan x/tan y =
1) b/a 2) a/b 3)1
4) 0
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Answer:
The option (b) is correct
Step-by-step explanation:
We have -
=
But sin ( x + y ) = sinx cosy + cosx siny
And sin ( x - y ) = sinx cosy - cosx siny
=
By Componando Dividendo Rule-
If
Then
=
But
And
So
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