Precalculus Examples

$\arccos (\frac{1388.78}{4567.3})$

Step 1

Divide $1388.78$ by $4567.3$ .

$\arccos (0.30407023)$

Step 2

Evaluate $\arccos (0.30407023)$ .

$1.26183402$

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