Calculus Examples

$\int \cos (2 x + 7) d x$

Step 1

$\int \cos (2 x + 7) d x$ is an antiderivative of $\cos (2 x + 7)$ , so by definition $\frac{d}{d x} [\int \cos (2 x + 7) d x]$ is $\cos (2 x + 7)$ .

$\cos (2 x + 7)$