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RocketLink!--> Man page versions:
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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)
FreeBSD Sources for acos(3) functions FreeBSD Sources for acos(3) functions OpenBSD sources for acos(3)
Up to: Trigonometric - Trigonometric functions (sin, cos, tan, et al)
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