Trigonometry Examples

$\arccos (\cos (\frac{9 π}{10}))$

Step 1

The result can be shown in multiple forms.

Exact Form:

$\arccos (\cos (\frac{9 π}{10}))$

Decimal Form:

$2.82743338 \dots$

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