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Syntax :
Real Version:
double sin(double x);
Complex Number Version :
complex sin(complex z);
Parameter :
- Parameter : Double Value.
- Returns : Double
#include<stdio.h> #include<math.h>
int main(void) { double result, x = 0.5;
result = sin(x); printf("The sin() of %lf is %lfn", x, result); return 0; }- For More Accurate Result We should use Mathematical Constant M_PI
- Angles are specified in radians.
| Angle | Symbolic Version |
| 180 | M_PI |
| 90 | M_PI / 2 |
| 60 | M_PI / 3 |
| 45 | M_PI / 4 |
| 30 | M_PI / 6 |



