Trigonometry Examples

$\cos (30)$

Step 1

The complement of $\cos (30)$ is the angle that when added to $\cos (30)$ forms a right angle ( $90 °$ ).

$90 ° - \cos (30)$

Step 2

The exact value of $\cos (30)$ is $\frac{\sqrt{3}}{2}$ .

$90 - \frac{\sqrt{3}}{2 °}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$90 - \frac{\sqrt{3}}{2 °}$

Decimal Form:

$89.13397459 \dots$