1.

If acos(x+y)=sin(y−x) for a∈R−{±1}, then 11+asin2x+11−asin2y=bc−a2. The value of b+c is

Answer»

If acos(x+y)=sin(yx) for aR{±1}, then 11+asin2x+11asin2y=bca2. The value of b+c is



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