Trigonometry Examples

$\sec (\frac{- 1}{2})$

Step 1

Move the negative in front of the fraction.

$\sec (- \frac{1}{2})$

Step 2

Since $\sec (- \frac{1}{2})$ is an even function, rewrite $\sec (- \frac{1}{2})$ as $\sec (\frac{1}{2})$ .

$\sec (\frac{1}{2})$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\sec (\frac{1}{2})$

Decimal Form:

$1.13949392 \dots$