Derivative of cos(2*x)

Derivative of 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 cos(2*x): 


(cos(2*x))'

-sin(2*x)*(2*x)'

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

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

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

2*(-sin(2*x))

-2*sin(2*x)

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

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