Inverse Trigonometric Functions

$\operatorname{sech}^{-1}\left(\frac{1}{3}\right)$

$\operatorname{cosech}^{-1}\left(\frac{1}{3}\right)$

$\cosh ^{-1}\left(\frac{4}{3}\right)$

$\sinh ^{-1}\left(\frac{3}{4}\right)$