# 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()