SN, CN and DN">jacobi_elliptic</a>,
        with:
      </p>
<p>
        <span class="emphasis"><em>nc(u, k) = 1 / cn(u, k)</em></span>
      </p>
<p>
        <span class="inlinemediaobject"><img src="../../../graphs/jacobi_nc.svg" align="middle"></span>
      </p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2006-2010, 2012-2014, 2017 Nikhar
      Agrawal, Anton Biki