"https://janetdocs.org/math/abs">Community Examples</a></div><hr><div class="binding"><span id="math/acos" class="binding-sym">math/acos</span> <span class="binding-type">cfunction</span> <span class="binding-type"><a href="https://github.com/janet-lang/janet/blob/34496ec/src/core/math.c#L264">source</a></span> <pre class="binding-text">(math/acos x)

Returns the arccosine of x.</pre><a href="https://janetdocs.org/math/acos">Community Examples</a></div><hr><div class="binding"><span id="math/acosh" class="b