import math
trig = raw_input ('What are you looking for? A) I have the opposite, and I want the  Hypotenuse. ')
if trig.lower() == 'a':
    ang = float(raw_input ('Please enter the measure of the angle you have '))
    line = float(raw_input ('Please enter the length of the opposite! '))
    print "answer is", line/math.sin(ang)