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1) What is the derivative of e​​​​​​y with respect to x? 2) if cos y =xcos(a+y), with cos a not equal to +_1. Prove that dy/dx = cos​​​​2(a+y)/sin a.

Answer»

1) What is the derivative of e​​​​​​y with respect to x?

2) if cos y =xcos(a+y), with cos a not equal to +_1. Prove that dy/dx = cos​​​​2(a+y)/sin a.



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