COS(3) Linux Programmers Manual COS(3)
NAME
cos, cosf, cosl  cosine function
SYNOPSIS
#include
double cos(double x);
float cosf(float x);
long double cosl(long double x);
Link with lm.
DESCRIPTION
The cos() function returns the cosine of x, where x is given in radi
ans.
RETURN VALUE
The cos() function returns a value between 1 and 1.
CONFORMING TO
SVr4, 4.3BSD, C99. The float and long double variants are C99 require
ments.
SEE ALSO
acos(3), asin(3), atan(3), atan2(3), ccos(3), sin(3), tan(3)
COLOPHON
This page is part of release 3.05 of the Linux manpages project. A
description of the project, and information about reporting bugs, can
be found at http://www.kernel.org/doc/manpages/.
20020727 COS(3)
