<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Hyperboloid - Page 7 - Wikipedia">
<p>
<a accesskey="1" href="page.php?w=Hyperboloid&amp;p=6">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Hyperboloid&amp;p=8">3.Next</a>
</p>
<p>the hyperboloids can be defined, similar to <a href="page.php?w=spherical_coordinates">spherical coordinates</a>, keeping the <a href="page.php?w=azimuth">azimuth</a> angle , but changing inclination  into <a href="page.php?w=hyperbolic_trigonometric_function">hyperbolic trigonometric function</a>s:</p>

<p>One-surface hyperboloid: </p>

<p>Two-surface hyperboloid: </p>

<p>The following parametric representation includes hyperboloids of one sheet, two sheets, and their common boundary cone, each with the -axis as the axis of symmetry:</p>

<p>
*</p><p>
<a accesskey="1" href="page.php?w=Hyperboloid&amp;p=6">1.Previous</a><br />
<a accesskey="3" href="page.php?w=Hyperboloid&amp;p=8">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
