1.

How many numbers of pair ( x, y) satisfy the equation sin x + sin y = sin ( x + y ) and | x | + | y | = 1 , simultaneously . A> 1 B> 2C> 4 D> 6

Answer» How many numbers of pair ( x, y) satisfy the equation sin x + sin y = sin ( x + y ) and | x | + | y | = 1 , simultaneously .
A> 1
B> 2
C> 4
D> 6


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