<TITLE>acos</TITLE>
<body bgcolor="#ffffcc">
<hr>
<pre>
<h3>ACOS(3) Linux Programmer's Manual ACOS(3)
</h3>
<h3>NAME
</h3> acos - arc cosine function
<h3>SYNOPSIS
</h3> #include <math.h>
double acos(double x);
<h3>DESCRIPTION
</h3> The acos() function calculates the arc cosine of x; that
is the value whose cosine is x. If x falls outside the
range -1 to 1, acos() fails and errno is set.
<h3>RETURN VALUE
</h3> The acos() function returns the arc cosine in radians and
the value is mathematically defined to be between 0 and PI
(inclusive).
<h3>ERRORS
</h3> EDOM x is out of range.
<h3>CONFORMING TO
</h3> SVID 3, POSIX, BSD 4.3, ISO 9899
</pre>
<hr>
<h3>SEE ALSO
</h3><p>
<a href=asin.htm>asin</a>,
<a href=atan.htm>atan</a>,
<a href=atan2.htm>atan2</a>,
<a href=cos.htm>cos</a>,
<a href=sin.htm>sin</a>,
<a href=tan.htm>tan</a>,
<pre>
June 8, 1993 1
</pre>
<P>
<hr>
<p>
<center>
<table border=2 width=80%>
<tr align=center>
<td width=25%>
<a href=../index.htm>Top</a>
</td><td width=25%>
<a href=../master_index.html>Master Index</a>
</td><td width=25%>
<a href=../SYNTAX/keywords.html>Keywords</a>
</td><td width=25%>
<a href=../FUNCTIONS/index.htm>Functions</a>
</td>
</tr>
</table>
</center>
<p>
<hr>
This manual page was brought to you by <i>mjl_man V-2.0</i>
| file: /Techref/language/ccpp/CREF/MAN/acos.htm, 1KB, , updated: 2003/3/20 10:39, local time: 2012/5/25 07:41,
38.107.179.232:LOG IN |
| ©2012 These pages are served without commercial sponsorship. (No popup ads, etc...).Bandwidth abuse increases hosting cost forcing sponsorship or shutdown. This server aggressively defends against automated copying for any reason including offline viewing, duplication, etc... Please respect this requirement and DO NOT RIP THIS SITE. Questions? <A HREF="http://www.piclist.com/techref/language/ccpp/CREF/MAN/acos.htm"> acos</A> |
| Did you find what you needed? |
|
.