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<section id="MathTrig">
  <title>Trigonometric Functions</title>

  <para>
    Opcodes that perform trigonometric functions are
    <link linkend="cos"><citetitle>cos</citetitle></link>, 
    <link linkend="cosh"><citetitle>cosh</citetitle></link>, 
    <link linkend="cosinv"><citetitle>cosinv</citetitle></link>, 
    <link linkend="sin"><citetitle>sin</citetitle></link>, 
    <link linkend="sinh"><citetitle>sinh</citetitle></link>, 
    <link linkend="sininv"><citetitle>sininv</citetitle></link>, 
    <link linkend="tan"><citetitle>tan</citetitle></link>, 
    <link linkend="tanh"><citetitle>tanh</citetitle></link>, 
    <link linkend="taninv"><citetitle>taninv</citetitle></link>, and
    <link linkend="taninv2"><citetitle>taninv2</citetitle></link>.
  </para>

</section>
