SIN

NAME

sin, sinf, sinl - sine function

#include <math.h>

double sin(double x);

float sinf(float x);

long double sinl(long double x);

The sin() function returns the sine of x, where x is given in radians.

The sin() function returns a value between -1 and 1.

SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double variants are C99 requirements.