Trigonometry Examples

arccos (- 1)

$\arccos (- 1)$

Step 1

The exact value of

arccos (- 1)

$\arccos (- 1)$ is

π

$π$ .

π

$π$

Step 2

The result can be shown in multiple forms.

Exact Form:

π

$π$

Decimal Form:

3.14159265 \dots

$3.14159265 \dots$

Enter a problem...

⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

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