Calculate arctangent: how to use atan : Tan ATan « Math « C / ANSI-C

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

Calculate arctangent: how to use atan

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

#define PI 3.14159265

int main ()
{
  double v, result;
  v = 5;
  
  result = atan ( v ) * 180 / PI;
  printf ("Arctangent of %lf is %lf degrees\n", v, result );
  return 0;
}


           
       

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