COS
Section: Linux Programmer's Manual (3)
Updated: 2002-07-27
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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
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),
ccos(3),
sin(3),
tan(3)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- CONFORMING TO
-
- SEE ALSO
-
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