<?xml version="1.0" encoding="UTF-8"?>
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 * and continues to be available under such terms.
 * For more information, see the COPYING file which you should have received
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<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns5="http://www.w3.org/1999/xhtml" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org"  xml:id="tan" xml:lang="ja">
    <refnamediv>
        <refname>tan</refname>
        <refpurpose>正接</refpurpose>
    </refnamediv>
    <refsynopsisdiv>
        <title>呼び出し手順</title>
        <synopsis>[t] = tan(x)</synopsis>
    </refsynopsisdiv>
    <refsection>
        <title>引数</title>
        <variablelist>
            <varlistentry>
                <term>x</term>
                <listitem>
                    <para>ベクトルまたは行列</para>
                </listitem>
            </varlistentry>
            <varlistentry>
                <term>t</term>
                <listitem>
                    <para>ベクトルまたは行列</para>
                </listitem>
            </varlistentry>
        </variablelist>
    </refsection>
    <refsection>
        <title>説明</title>
        <para>
            <varname>t</varname>の要素は
            <varname>x</varname>の要素の正接となります.
        </para>
    </refsection>
    <refsection>
        <title>サンプル</title>
        <scilab:image>
            x=(-%pi/2)+0.01:0.01:(%pi/2)-0.01;
            plot(x,tan(x))
        </scilab:image>
    </refsection>
    <refsection>
        <title>例</title>
        <programlisting role="example"><![CDATA[
x=[1,%i,-1,-%i]
tan(x)
sin(x)./cos(x)
 ]]></programlisting>
    </refsection>
    <refsection role="see also">
        <title>参照</title>
        <simplelist type="inline">
            <member>
                <link linkend="tand">tand</link>
            </member>
            <member>
                <link linkend="atan">atan</link>
            </member>
            <member>
                <link linkend="atand">atand</link>
            </member>
            <member>
                <link linkend="tanm">tanm</link>
            </member>
        </simplelist>
    </refsection>
</refentry>