code></pre><div class="info ">
arc-cosine function<br>
</div>

<pre><span id="VALatan2"><span class="keyword">val</span> atan2</span> : <code class="type">float -> float -> float</code></pre><div class="info ">
atan2 function<br>
</div>

<pre><span id="VALatan"><span class="keyword">val</span> atan</span> : <code class="type">float -> float</code></pre><div class="info ">
arc-tan function<br>
</div>

<pre><span id="VALcosh"><span class="keyword">val</span> cosh</span> : <code class="type">float -> float</co