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Command: cos | Section: 3 | Source: MINIX | File: cos.3
COS(3) FreeBSD Library Functions Manual COS(3)
NAME
cos, cosf - cosine function
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h>
double
cos(double x);
float
cosf(float x);
DESCRIPTION
The cos() and cosf() 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).
RETURN VALUES
The cos() function returns the cosine value.
SEE ALSO
acos(3), asin(3), atan(3), atan2(3), cosh(3), math(3), sin(3), sinh(3),
tan(3), tanh(3)
STANDARDS
The cos() function conforms to ANSI X3.159-1989 ("ANSI C89").
FreeBSD 14.1-RELEASE-p8 May 2, 1991 FreeBSD 14.1-RELEASE-p8