Flashnux

GNU/Linux man pages

Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :

ISBN : 978-2-7460-9712-4
EAN : 9782746097124
(Editions ENI)

GNU/Linux

CentOS 4.8

i386

cos(3)


COS

COS

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
CONFORMING TO
SEE ALSO

NAME

cos, cosf, cosl − cosine function

SYNOPSIS

#include <math.h>

double cos(double x);

float cosf(float x);

long double cosl(long 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. The float and the long double variants are C99 requirements.

SEE ALSO

acos(3), asin(3), atan(3), atan2(3), sin(3), tan(3)



cos(3)