Trigonometry Examples

$\arctan (\frac{y}{x}) = \ln (\sqrt{x^{2} + y^{2}})$

Step 1

Graph.

$\arctan (\frac{y}{x}) = \ln (\sqrt{x^{2} + y^{2}})$

Step 2

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