The critical angle for total internal reflection at a liquid$-$air interface is $45\mathrm{.}0.$ Part A

If a ray of light traveling in the liquid has an angle of incidence at the interface of $33\mathrm{.}5,$ what angle does the refracted ray in the air make with the normal? Part B

If a ray of light traveling in air has an angle of incidence at the interface of $33\mathrm{.}5,$ what angle does the refracted ray in the liquid make with the normal?