t&nbsp;=&nbsp;<span class="string">"caml_acos_float"</span>&nbsp;<span class="string">"acos"</span>&nbsp;<span class="string">"float"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;asin&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;=&nbsp;<span class="string">"caml_asin_float"</span>&nbsp;<span class="string">"asin"</span>&nbsp;<span class="string">"float"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;atan&nbsp;:&nbsp;float&nbsp;<span cl