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<TITLE>cos</TITLE>
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<pre>



<h3>COS(3)              Linux Programmer's Manual              COS(3)
</h3>

<h3>NAME
</h3>       cos - cosine function

<h3>SYNOPSIS
</h3>       #include &lt;math.h&gt;

       double cos(double x);

<h3>DESCRIPTION
</h3>       The  cos()  function  returns  the cosine of x, where x is
       given in radians.

<h3>RETURN VALUE
</h3>       The cos() function returns a value between -1 and 1.

<h3>CONFORMING TO
</h3>       SVID 3, POSIX, BSD 4.3, ISO 9899

</pre>
<hr>
<h3>SEE ALSO
</h3><p>
<a href=acos.htm>acos</a>, 
<a href=asin.htm>asin</a>, 
<a href=atan.htm>atan</a>, 
<a href=atan2.htm>atan2</a>, 
<a href=sin.htm>sin</a>, 
<a href=tan.htm>tan</a>, 
<pre>





































                           June 8, 1993                         1



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