Calculate cosine: how to use cos : Cos ACos « Math « C / ANSI-C

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Calculate cosine: how to use cos

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

#define PI 3.14159265

int main ()
{
  double p, result;
  p = 45;
  result = cos ( p * PI / 180);
  printf ("Cosine of %lf degrees is %lf\n", p, result );
  return 0;
}



           
       

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