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COS
Section: Linux Programmer's Manual (3)
Updated: 2002-07-27
Index
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NAME
cos, cosf, cosl - cosine function
SYNOPSIS
#include <math.h>
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 radians.
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 requirements.
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
man-pages
project.
A description of the project,
and information about reporting bugs,
can be found at
http://www.kernel.org/doc/man-pages/.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- CONFORMING TO
-
- SEE ALSO
-
- COLOPHON
-
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