NAME
sin
, sinf
,
sinl
—
sine functions
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).
The
sinf
()
function is a single precision version of sin
(). The
sinl
()
function is an extended precision version of sin
().
A large magnitude argument may yield a result with little or no
significance.
RETURN VALUES
The sin
(), sinf
()
and sinl
() functions return the sine value.
SEE ALSO
acos(3), asin(3), atan(3), atan2(3), cos(3), cosh(3), sinh(3), tan(3), tanh(3)
STANDARDS
The sin
() function conforms to
ANSI X3.159-1989
(“ANSI C89”).
HISTORY
A sin
() function first appeared in
Version 1 AT&T UNIX.