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cosl (3)
COS(3) Linux Programmer's Manual COS(3)
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 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)
2002-07-27 COS(3)
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