Respuesta :
Basically you use the tan/sin/cos rules.
You have your opposite=13 and hypotenuse=33, so use sin to solve it.
sin^-1(opp/hyp)
=sin^-1(13/33)
=23 degree
You have your opposite=13 and hypotenuse=33, so use sin to solve it.
sin^-1(opp/hyp)
=sin^-1(13/33)
=23 degree