NAME

sin, sinf, sinl — sine function

LIBRARY

Math Library (libm, -lm)

SYNOPSIS

#include <math.h>

double
sin(double x);

float
sinf(float x);

long double
sinl(long double x);

DESCRIPTION

The sin() function computes the sine of x (measured in radians). A large magnitude argument may yield a result with little or no significance.

RETURN VALUES

The sin() function returns the sine value.

SEE ALSO

acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), math(3), sinh(3), tan(3), tanh(3)

STANDARDS

The sin() function conforms to ANSI X3.159-1989 (“ANSI C89”).

HISTORY

A sin() function appeared in Version 1 AT&T UNIX.