Answer
$30.9879607034^{o}$
Work Step by Step
Make sure that the setting for angles is "degrees".
$\csc^{-1}x$ is evaluated as $\displaystyle \sin^{-1}\frac{1}{x}$
Keys:
"shift" or "2nd function"
"sin"
numerical keypad: (1$\div$1.9422833)
"="
yields
$30.9879607034^{o}$
