"caml_sin_float"</span>&nbsp;<span class="string">"sin"</span>&nbsp;<span class="string">"float"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;tan&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;=&nbsp;<span class="string">"caml_tan_float"</span>&nbsp;<span class="string">"tan"</span>&nbsp;<span class="string">"float"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;acos&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;floa