>&nbsp;float&nbsp;=&nbsp;<span class="string">"caml_cosh_float"</span>&nbsp;<span class="string">"cosh"</span>&nbsp;<span class="string">"float"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;sinh&nbsp;:&nbsp;float&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;float&nbsp;=&nbsp;<span class="string">"caml_sinh_float"</span>&nbsp;<span class="string">"sinh"</span>&nbsp;<span class="string">"float"</span><br>
&nbsp;&nbsp;<span class="keyword">external</span>&nbsp;tanh&nbsp;:&nbsp;float&nb