C/Math/Cos ACos

Calculate arccosine: acos

<source lang="cpp">

1. include <stdio.h>
2. include <math.h>
3. define PI 3.14159265

int main () {

 double v, result;
 v = 0.5;
 
 result = acos ( v ) * 180 / PI;
 
 printf ("Arccosine of %lf is %lf\n degrees", v, result );
 
 return 0;

}

      </source>

Calculate cosine: how to use cos

<source lang="cpp">

1. include <stdio.h>
2. include <math.h>
3. 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;

}

      </source>

Calculate hyperbolic cosine:how to use cosh

<source lang="cpp">

1. include <stdio.h>
2. include <math.h>
3. define PI 3.14159265

int main () {

 double p, result;
 
 p = 45;
 
 result = cosh ( p * PI / 180);
 
 printf ("Hyperbolic cosine of %lf degrees = %lf\n", p, result );
 
 return 0;

}

      </source>

How to use acos

<source lang="cpp">

1. include <math.h>
2. include <stdio.h>

int main(void) {

 double val = -1.0;
 do {
   printf("Arc cosine of %f is %f.\n", val, acos(val));
   val += 0.1;
 } while(val<=1.0);
 return 0;

}

      </source>

How to use cos

<source lang="cpp">

1. include <math.h>
2. include <stdio.h>

int main(void) {

 double val = -1.0;
 do {
   printf("Cosine of %f is %f.\n", val, cos(val));
   val += 0.1;
 } while(val<=1.0);
 return 0;

}

      </source>

How to use cosh

<source lang="cpp">

1. include <math.h>
2. include <stdio.h>

int main(void) {

 double val = -1.0;
 do {
   printf("Hyperbolic cosine of %f is %f.\n", val, cosh(val));
   val += 0.1;
 } while(val<=1.0);
 return 0;

}

      </source>