ull in order to re-calculate it from t and n.
   </p><span class="label">Implementation</span>
<br>
<code>&nbsp;&nbsp;&nbsp;&nbsp;public function get b():Array</code>
<br>
<code>&nbsp;&nbsp;&nbsp;&nbsp;public function set b(value:Array):void</code>
<br>
<p>
<span class="label">See also</span>
</p>
<div class="seeAlso">
<a href="http://en.wikipedia.org/wiki/Frenet-Serret_frame" target="mm_external">http://en.wikipedia.org/wiki/Frenet-Serret_frame</a>
</div>
</div>
<a name="n"></a>
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