If cos-1 ( x2 - y2 / x2 + y2 ) = tan-1 a, prove that dy/dx = y/x - Maths - Continuity and Differentiability

Question

If cos-1 ( x2 - y2 / x2
+ y2 ) = tan-1 a, prove that dy/dx = y/x

Priyanka Kedia · Accepted Answer

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