Evaluate the expression using a calculator. Express your answer in radians, rounding to two decimal places.
${\cos }^{-1}\left(\frac{1}{4}\right)$

Evaluate the expression.

${\tan }^{-1}1$

Evaluate the expression.

${\tan }^{-1}(-\frac{\sqrt{3}}{3})$

Evaluate the expression using a calculator. Express your answer in radians, rounding to two decimal places.

${\tan }^{-1}\left(5\right)$

Evaluate the expression using a calculator. Express your answer in radians, rounding to two decimal places.

${\sin }^{-1}(-\frac{1}{3})$

Evaluate the expression.

${\cos }^{-1}(-1)$

Evaluate the expression.

${\cos }^{-1}\left(0\right)$

Evaluate the expression.

${\cos }^{-1}(-\frac{\sqrt{2}}{2})$

Evaluate the expression.

${\sin }^{-1}1$