import math

opp = 0

def start():
	print("Welcome to the Calculator!")
	while calculate():
		pass
		result()

def calculate():
	print("Enter which function you would like to use.")

	theta = raw_input("Enter angle theta: ")
	hyp = raw_input("Enter hypotenuse: ")

	theta = float(theta)
	theta = math.radians(theta)

	hyp = float(hyp)

	opp = math.sin(theta) * hyp
	return opp


def result():
	print(opp)

def calculateAgain():
	answer = raw_input("Would you like to calculate something again? y/n: ")
	if answer in ("y", "Y", "yes", "Yes"):
		return answer
	elif answer in ("n", "N", "no", "No"):
		print("Thank you for using the Calculator!")

if __name__ == '__main__':
	start()