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acos(3)

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RocketLink!--> Man page versions: OpenBSD FreeBSD RedHat Others



ACOS(3)                   OpenBSD Programmer's Manual                  ACOS(3)

NAME
     acos, acosf - arc cosine functions



SYNOPSIS
     #include <math.h>

     double
     acos(double x);

     float
     acosf(float x);

DESCRIPTION
     The acos() and acosf() functions compute the principal value of the arc
     cosine of x in the range [0, pi].

RETURN VALUES
     If |x|>1, acos(x) and acosf(x) sets the global variable errno to EDOM.

SEE ALSO
     asin(3),  atan(3),  atan2(3),  cos(3),  cosh(3),  math(3),  sin(3),
     sinh(3),  tan(3),  tanh(3)

OpenBSD 2.6                       May 2, 1991                                1

Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY
SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts
Institute of Technology, Free Software Foundation, FreeBSD Inc., and others.



(Corrections, notes, and links courtesy of RocketAware.com)


[Detailed Topics]
FreeBSD Sources for acos(3) functions
FreeBSD Sources for acos(3) functions
OpenBSD sources for acos(3)


[Overview Topics]

Up to: Trigonometric - Trigonometric functions (sin, cos, tan, et al)


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