</a></li>
      <li><a href="dart-math/dart-math-library.html">dart:math</a></li>
      <li class="self-crumb">tan function</li>
    </ol>
    
    <h5>dart:math library</h5>
    <ol>
      <li class="section-title"><a href="dart-math/dart-math-library.html#classes">Classes</a></li>
      <li><a href="dart-math/MutableRectangle-class.html">MutableRectangle</a></li>
      <li><a href="dart-math/Point-class.html">Point</a></li>
      <li><a href="dart-math/Random-class.html">Random</a></li>
      <li><a href=