Trigonometry Examples

$\arccos (- \frac{\sqrt{2}}{5})$

Step 1

The result can be shown in multiple forms.

Exact Form:

$\arccos (- \frac{\sqrt{2}}{5})$

Decimal Form:

$1.85755287 \dots$

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