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3438a32516
git-svn-id: https://svn.php.net/repository/phpdoc/it/trunk@314550 c90b9560-bf6c-de11-be94-00142212c4b1
49 lines
1.4 KiB
XML
49 lines
1.4 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!-- EN-Revision: n/a Maintainer: cortesi Status: ready -->
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<refentry xml:id="function.acos" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>acos</refname>
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<refpurpose>Arco coseno</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Descrizione</title>
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<methodsynopsis>
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<type>float</type><methodname>acos</methodname>
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<methodparam><type>float</type><parameter>arg</parameter></methodparam>
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</methodsynopsis>
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<para>
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Restituisce l'arco coseno di <parameter>arg</parameter> in radianti.
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La funzione <function>acos</function> è complementare alla funzione
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<function>cos</function>, ovvero che <literal>a==cos(acos(a))</literal>
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per ciascun valore di a nel range di <function>acos</function>.
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</para>
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<para>
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Vedere anche:
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<function>acosh</function>,
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<function>asin</function> e
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<function>atan</function>.
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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