# Answer on Trigonometry Question for Keshav kumar

Question #38786

tan^(-1)x+tan^(-1)y = 1/2 sin^(-1)〖(2(x+y)(1-xy))/((1+x^2 )(1+y^2))〗

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Unfortunately, the statement of your question is a bit confusing.

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Unfortunately, the statement of your question is a bit confusing.

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