#include <stdio.h>
#include <math.h>
#define PI 3.141592654
int main()
{
double num = 1.0;
double result;
result = atan(num);
printf("Inverse of tan(%.2f) = %.2f in radians", num, result);
// Converting radians to degrees
result = (result * 180) / PI;
printf("\nInverse of tan(%.2f) = %.2f in degrees", num, result);
return 0;
}