//Displays cosine of the angle using functions

#include <stdio.h>
#include <math.h>
const double pi= 3.1415926535897;

int main()
{
    double x,n;

    printf("Enter the value of x : ");
    scanf("%lf", &x);
    n = x;

    x = ((x * (pi/ 180.0)));
    

    printf("cos(%0.2lf) = %lf", n,cos(x));

    return 0;
}