Precalculus Examples

$\sec (60) - \cos (30)$

Step 1

The exact value of $\sec (60)$ is $2$ .

$2 - \cos (30)$

Step 2

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

$2 - \frac{\sqrt{3}}{2}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$2 - \frac{\sqrt{3}}{2}$

Decimal Form:

$1.13397459 \dots$