A way to find the missing side of a triangle.

trianglefinder.py

from math import sin, cos, tan
#Work on Another Day.
def triangle_side_finder():
    x = 0
    answer = None
    numbers = True
    degree = input("What is the degree of the angle?")
    while numbers == True:
        try:
            degree = int(degree)
            numbers = False
        except ValueError:
            print("Not a number!")
      
    numbers = True
    while numbers == True:
        try:
            side1 = input("Enter in the measure of side 1 AND the relation(opposite, adjacent, or hypotenuse) with side 1 and the angle")
            side1 = side1.split(', ')
            len(side1[0]) > 0
            len(side1[1]) > 0
            side1[0] = int(side1[0])
            side1[1] = str(side1[1])
            numbers = False
        except ValueError:
            print("You either: made the number negative, you did not enter in a number, or you did not enter in a relation with the side and the angle.")
            
    numbers = True
    while numbers == True:
        try:
            side2 = input("Enter in the variable AND the relation(opposite, adjacent, or hypotenuse) with the variable and the angle.")
            side2 = side2.split(', ')
            len(side2[0]) > 0
            len(side2[1]) > 0
            side2[1] = str(side2[1])
            numbers = False
        except ValueError:
            print("You either: made the number negavite, you did not enter in a number,  or you did not enter in a relation with the side and the angle.")
            
    x1 = side1[0]
    x2 = side2[0]
    x3 = 0 
    if (side1[1] == 'opposite' and side2[1] == 'hypotenuse'):
        x3 = sin(degree)
        answer1 = x3 * side2[0]
        answerfinal = x1 / answer1
    elif (side1[1] == 'hypotenuse' and side2[1] == 'opposite'):
        x3 = sin(degree)
        answer1 = x3 * side1[0]
        answerfinal = x2 / answer1
    elif (side1[1] == 'adjacent' and side2[1] == 'hypotenuse'):
        anglevalue = cos(degree)
        answer = x1 / anglevalue
    elif (side1[1] == 'hypotenuse' and side2[1] == 'adjacent'):
        anglevalue = cos(degree)
        answer = x1 / anglevalue
    elif (side1[1] == 'opposite' and side2[1] == 'adjacent'):
        anglevalue = tan(degree)
        answer = x1 / anglevalue
    elif (side1[1] == 'adjacent' and side2[1] == 'opposite'):
        anglevalue = tan(degree)
        answer = x1 / anglevalue
            
    print("The answer is: {0} = {1}").format(side2[0], answer)