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RedHat 9 (Linux i386) - man page for cos (redhat section 3)

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COS(3)				    Linux Programmer's Manual				   COS(3)

NAME
       cos - cosine function

SYNOPSIS
       #include <math.h>

       double cos(double x);

DESCRIPTION
       The cos() function returns the cosine of x, where x is given in radians.

RETURN VALUE
       The cos() function returns a value between -1 and 1.

CONFORMING TO
       SVID 3, POSIX, BSD 4.3, ISO 9899

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

					    1993-06-08					   COS(3)
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