cosl

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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);

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
       SVID 3, POSIX, BSD 4.3, ISO 9899.  The float and the long double vari-
       ants are C99 requirements.

SEE ALSO
       acos(3), asin(3), atan(3), atan2(3), sin(3), tan(3)



				  2002-07-27			       COS(3)