# Answer on Trigonometry Question for Keshav Kumar

Question #38725

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.

What do you need to be done? Please, give us the details so we could help you

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