reference/math/functions/sin.xml
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761d72245071f89a626903c9bcdc6aaff1252d54
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>float</type><methodname>sin</methodname>
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<methodparam><type>float</type><parameter>arg</parameter></methodparam>
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</methodsynopsis>
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<methodsynopsis>
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<type>float</type><methodname>sin</methodname>
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<methodparam><type>float</type><parameter>num</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>sin</function> returns the sine of the <parameter>arg</parameter>
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parameter. The <parameter>arg</parameter> parameter is in radians.
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<function>sin</function> returns the sine of the <parameter>num</parameter>
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parameter. The <parameter>num</parameter> parameter is in radians.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>arg</parameter></term>
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<term><parameter>num</parameter></term>
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<listitem>
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<para>
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A value in radians
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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The sine of <parameter>arg</parameter>
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The sine of <parameter>num</parameter>
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</para>
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</refsect1>
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<refsect1 role="examples">
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<programlisting role="php">
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<![CDATA[
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<?php
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// Precision depends on your precision directive
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echo sin(deg2rad(60)); // 0.866025403 ...
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echo sin(60); // -0.304810621 ...
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echo sin(deg2rad(60)), PHP_EOL; // 0.866025403 ...
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echo sin(60), PHP_EOL; // -0.304810621 ...
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?>
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]]>
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</programlisting>
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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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