# compute sin2 and cos2 and add them
# for ECS 10, Spring 2009, April 13, 2009
# Matt Bishop
# load math functions
from math import *;
def main():
# start here
val = input("Enter your angle in radians:");
# compute sin**2 and cos**2
s2 = sin(val)**2
c2 = cos(val)**2
# see if it is 1
print "Sum of sin**2 and cos**2 is:", s2+c2;
main()