SVG recreation of <a href="//commons.wikimedia.org/wiki/File:Arcgd.png" title="File:Arcgd.png">Image:Arcgd.png</a>. Shows the inverse Gudermannian function and its asymptotes of ±π/2
<a href="//commons.wikimedia.org/wiki/User:Aaron_Rotenberg" title="User:Aaron Rotenberg">Aaron Rotenberg</a>
2008-03-10
Self-made, created using <a rel="nofollow" class="external text" href="http://fooplot.com">FooPlot</a> and modified in <a href="https://en.wikipedia.org/wiki/Inkscape" class="extiw" title="en:Inkscape">Inkscape</a>.