# Derivative of -1/4cos(2x)

## Derivative of -1/4cos(2x). 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 -1/4cos(2x):

((-1/4)*cos(2*x))'(-1/4)'*cos(2*x)+(-1/4)*(cos(2*x))'0*cos(2*x)+(-1/4)*(cos(2*x))'0*cos(2*x)+(-1/4)*-sin(2*x)*(2*x)'0*cos(2*x)+(-1/4)*-sin(2*x)*((2)'*x+2*(x)')0*cos(2*x)+(-1/4)*-sin(2*x)*(0*x+2*(x)')0*cos(2*x)+(-1/4)*-sin(2*x)*(0*x+2*1)0*cos(2*x)+(-1/4)*2*(-sin(2*x))0*cos(2*x)+(-1/4)*-2*sin(2*x)(1/2)*sin(2*x)`
The calculation above is a derivative of the function f (x)