Calculus Examples

$\int \cos (2 x) d x$

Step 1

$\int \cos (2 x) d x$ is an antiderivative of $\cos (2 x)$ , so by definition $\frac{d}{d x} [\int \cos (2 x) d x]$ is $\cos (2 x)$ .

$\cos (2 x)$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$