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

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C / ANSI-C » Math » Cos ACos Screenshots  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; }                     Related examples in the same category 1. How to use acos 2. How to use cos 3. How to use cosh 4. Calculate arccosine: acos 5. Calculate hyperbolic cosine:how to use cosh