COS(3) | Library Functions Manual | COS(3) |
cos
, cosf
,
cosl
—
#include <math.h>
double
cos
(double
x);
float
cosf
(float
x);
long double
cosl
(long
double x);
cos
(), cosf
(), and
cosl
() functions compute the cosine of
x (measured in radians). A large magnitude argument may
yield a result with little or no significance. For a discussion of error due
to roundoff, see math(3).
cos
() function returns the cosine value.
cos
() function conforms to ANSI
X3.159-1989 (“ANSI C89”).
cos
() function appeared in
Version 1 AT&T UNIX.
September 2, 2019 | NetBSD 9.2 |