ined at zero!</a></li>
</ul></li>
<li class="chapter" data-level="11.4" data-path="unit-vectors-and-rotations.html"><a href="unit-vectors-and-rotations.html"><i class="fa fa-check"></i><b>11.4</b> Unit Vectors and Rotations</a>
<ul>
<li class="chapter" data-level="" data-path="unit-vectors-and-rotations.html"><a href="unit-vectors-and-rotations.html#unit-vector-type"><i class="fa fa-check"></i>Unit vector type</a></li>
<li class="chapter" data-level="" data-path="unit-vectors-and-rotations.html"><a href="un