Derivatives you should memorize

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List

Function / f(x)	Derivative / f’(x)
sin(x)	cos(x)
cos(x)	-sin(x)
ln(x)	1/x
ex	ex

Scenario

Scenario: Evaluate the derivative of the function below.

Extract

Function / f(x)	Derivative / f’(x)
sin(x)	cos(x)
cos(x)	-sin(x)
ln(x)	1/x
ex	ex

Plug in

Solve

Interpret

Answer: f'(x) = -3sin(x)

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