# Derivative of cos(3/x)

## Derivative of cos(3/x). Simple step by step solution, to learn. Simple, and easy to understand, so dont hesitate to use it as a solution of your homework.

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## Derivative of cos(3/x):

(cos(3/x))'-sin(3/x)*(3/x)'-sin(3/x)*(((3)'*x-(3*(x)'))/(x^2))-sin(3/x)*((0*x-(3*(x)'))/(x^2))-sin(3/x)*((0*x-(3*1))/(x^2))(-3/(x^2))*(-sin(3/x))(3*sin(3/x))/(x^2)`
The calculation above is a derivative of the function f (x)