r" data-level="3.9" data-path="trigonometric-functions.html"><a href="trigonometric-functions.html"><i class="fa fa-check"></i><b>3.9</b> Trigonometric Functions</a></li>
<li class="chapter" data-level="3.10" data-path="hyperbolic-trigonometric-functions.html"><a href="hyperbolic-trigonometric-functions.html"><i class="fa fa-check"></i><b>3.10</b> Hyperbolic Trigonometric Functions</a></li>
<li class="chapter" data-level="3.11" data-path="link-functions.html"><a href="link-functions.html"><i class="fa fa-ch