Question

cosy =xcos(a+y) find dy/dx​

Answer 1

Step-by-step explanation:

- Siny dy/dx = x { -Sin(a+y) dy/dx } + Cos(a+y)

{ xSin(a+y) - Siny } dy/dx = Cos(a+y)

dy/dx = Cos(a+y) / { xSin(a+y) - Siny }

Answer 2

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I think it is help you.