Math, asked by sagar4209, 1 year ago

tan⁻¹ 4/5 + tan⁻¹ 2/3 = tan⁻¹ 22/7,Prove it.

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Answered by AmitYadav113

0

tan⁻¹ 4/5 + tan⁻¹ 2/3 = tan⁻¹{(4/5 + 2/3)/(1 - 4/5 .2/3)} = tan⁻¹ 22/7

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