Precalculus Examples

$\tan (- 180 °)$

Step 1

Find the value using the definition of tangent.

$\tan (- 180 °) = \frac{opposite}{adjacent}$

Step 2

Substitute the values into the definition.

$\tan (- 180 °) = \frac{0}{- 1}$

Step 3

Divide $0$ by $- 1$ .

$0$

Step 4

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