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20-02-2017
Mathematics

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How do you integrate cos2x? yeah im wondering how to integrate cos2x...please help!?

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20-02-2017

use chain rule

d/dx ( cos2x) = sin2x*2

Take the derivative of the outside (cos(2x)) which is cos in this case.
then you take the derivative of the inside which is 2

derivative of 2x with respect to x is 2.

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