# Derivative of 18cos(18x)

## Derivative of 18cos(18x). 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 18cos(18x):

(18*cos(18*x))'(18)'*cos(18*x)+18*(cos(18*x))'0*cos(18*x)+18*(cos(18*x))'0*cos(18*x)+18*-sin(18*x)*(18*x)'0*cos(18*x)+18*-sin(18*x)*((18)'*x+18*(x)')0*cos(18*x)+18*-sin(18*x)*(0*x+18*(x)')0*cos(18*x)+18*-sin(18*x)*(0*x+18*1)0*cos(18*x)+18*18*(-sin(18*x))0*cos(18*x)+18*-18*sin(18*x)-324*sin(18*x)`
The calculation above is a derivative of the function f (x)