Evaluate arcsec((-1)^-1)

$arcsec ({(- 1)}^{- 1})$

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$arcsec (\frac{1}{- 1})$

Divide $1$ by $- 1$ .

$arcsec (- 1)$

The exact value of $arcsec (- 1)$ is $π$ .

$π$

The result can be shown in multiple forms.

Exact Form:

$π$

Decimal Form:

$3.14159265 \dots$