COS(3) BSD Programmer's Manual COS(3)NAME
cos, cosf - cosine functions
SYNOPSIS
#include <math.h>
double
cos(double x);
float
cosf(float x);
DESCRIPTION
The cos() and the cosf() functions compute the cosine of x (measured in
radians).
RETURN VALUES
The cos() and the cosf() functions return the cosine value.
SEE ALSOacos(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 C X3.159-1989 (``ANSI C '').
BSDI BSD/OS March 4, 1998 1