How to use atan2 : Tan ATan « Math « C / ANSI-C

1. C / ANSI-C
2. Math
3. Tan ATan

How to use atan2

#include <math.h>
#include <stdio.h>

int main(void)
{
  double val = -1.0;

  do {
    printf("Atan2 of %f is %f.\n", val, atan2(val,1.0));
    val += 0.1;
  } while(val<=1.0);

  return 0;
}


           
       

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