COS
Section: Linux Programmer's Manual (3)
Updated: June 8, 1993
NAME
cos - cosine function
SYNOPSIS
#include <math.h>
double cos(double x);
DESCRIPTION
The cos() function returns the cosine of x, where x is
given in radians.
RETURN VALUE
The cos() function returns a value between -1 and 1.
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899
SEE ALSO
acos(3), asin(3), atan(3), atan2(3), sin(3), tan(3)