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  • Committer: Bazaar Package Importer
  • Author(s): Roberto C. Sanchez
  • Date: 2008-05-17 20:14:19 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20080517201419-qgbuogq2ckkdisyi
Tags: 5.10.0-2
Supersede botched upload of 5.10.0-1.

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functions/sin.html
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      <h2>Links:</h2>
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      <ul>
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        <li><a href="http://search.cpan.org">CPAN</a></li>
 
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        <li><a href="http://www.perl.org">Perl.org</a></li>
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        <li><a href="http://www.perl.com">Perl.com</a></li>
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        <li><a href="http://www.perl.org">Perl.org</a></li>
 
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        <li><a href="http://perlbuzz.com">Perl Buzz</a></li>
 
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        <li><a href="http://www.perlfoundation.org/perl5/index.cgi">Perl 5 Wiki</a></li>
 
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        <li><a href="http://jobs.perl.org">Perl Jobs</a></li>
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        <li><a href="http://www.pm.org">Perl Mongers</a></li>
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        <li><a href="http://www.perlmonks.org">Perl Monks</a></li>
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        <li><a href="http://planet.perl.org">Planet Perl</a></li>
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      <ul>
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        <li>Site maintained by<br><a href="http://perl.jonallen.info">Jon Allen</a>
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            (<a href="http://perl.jonallen.info">JJ</a>)</li>
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        <li class="spaced">Last updated on<br>23 April 2006</li>
 
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        <li class="spaced">Last updated on<br>23 December 2007</li>
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        <li class="spaced">See the <a href="http://perl.jonallen.info/projects/perldoc">project page</a> for
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        more details</li>
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      </ul>
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    <div id="centerContent">
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      <div id="contentHeader">
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        <div id="contentHeaderLeft"><a href="#" onClick="showLeft()">Show navigation</a></div>
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        <div id="contentHeaderCentre">-- Perl 5.8.8 documentation --</div>
 
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        <div id="contentHeaderCentre">-- Perl 5.10.0 documentation --</div>
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        <div id="contentHeaderRight"><a href="#" onClick="showRight()">Show toolbar</a></div>
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      </div>
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      <div id="breadCrumbs"><a href="../index.html">Home</a> &gt; <a href="../index-language.html">Language reference</a> &gt; <a href="../index-functions.html">Functions</a> &gt; sin</div>
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<p>Returns the sine of EXPR (expressed in radians).  If EXPR is omitted,
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returns sine of <code class="inline"><span class="i">$_</span></code>
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.</p>
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<p>For the inverse sine operation, you may use the <code class="inline">Math::Trig::asin</code>
 
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<p>For the inverse sine operation, you may use the <code class="inline"><span class="w">Math::Trig::asin</span></code>
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function, or use this relation:</p>
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<pre class="verbatim"><a name="asin"></a>    sub <span class="m">asin</span> <span class="s">{</span> <a class="l_k" href="../functions/atan2.html">atan2</a><span class="s">(</span><span class="i">$_</span>[<span class="n">0</span>]<span class="cm">,</span> <a class="l_k" href="../functions/sqrt.html">sqrt</a><span class="s">(</span><span class="n">1</span> - <span class="i">$_</span>[<span class="n">0</span>] * <span class="i">$_</span>[<span class="n">0</span>]<span class="s">)</span><span class="s">)</span> <span class="s">}</span></pre>
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          <!--<select name="r"><option value="1" selected>Go to top result<option value="0">Show results list</select>-->
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        </form>
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      </p>
 
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      <script language="JavaScript" type="text/javascript" src="/perl-version.js"></script>
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      <h2>Labels:</h2>
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      <p>
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        <a href="#" onClick="addLabel('sin','functions/sin.html')">Add this page</a>