Pre-Algebra Examples

$\cos (x) = 1 - x^{2} \div 2! + x^{4} \div 4! - x^{6} \div 6!$

Step 1

Since $x \approx 0, 0.1$ is a vertical line, the slope is undefined.

Undefined

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