Derivative of 2*cos(2*x)

Derivative of 2*cos(2*x). Simple step by step solution, to learn. Simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

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Derivative of 2*cos(2*x): 


(2*cos(2*x))'

(2)'*cos(2*x)+2*(cos(2*x))'

0*cos(2*x)+2*(cos(2*x))'

0*cos(2*x)+2*-sin(2*x)*(2*x)'

0*cos(2*x)+2*-sin(2*x)*((2)'*x+2*(x)')

0*cos(2*x)+2*-sin(2*x)*(0*x+2*(x)')

0*cos(2*x)+2*-sin(2*x)*(0*x+2*1)

0*cos(2*x)+2*2*(-sin(2*x))

0*cos(2*x)+2*-2*sin(2*x)

-4*sin(2*x)

The calculation above is a derivative of the function f (x)

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