Calculus Examples

$- \cos (x)$

Step 1

Since $- 1$ is constant with respect to $x$ , the derivative of $- \cos (x)$ with respect to $x$ is $- \frac{d}{d x} [\cos (x)]$ .

$- \frac{d}{d x} [\cos (x)]$

Step 2

The derivative of $\cos (x)$ with respect to $x$ is $- \sin (x)$ .

$- - \sin (x)$

Step 3

Multiply.

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Step 3.1

Multiply $- 1$ by $- 1$ .

$1 \sin (x)$

Step 3.2

Multiply $\sin (x)$ by $1$ .

$\sin (x)$