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<div>:: <span class="kw">deftheorem </span>   defines <a href="sin_cos6.html#K3" title="SIN_COS6:func.3">arccos</a> <a onclick="hs(this)" href="javascript:()">SIN_COS6:def 3 : <br/></a><span> <a href="sin_cos6.html#K3" title="SIN_COS6:func.3">arccos</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> <span class="p1">(<span class="default"><a href="sin_cos.html#K18" title="SIN_COS:func.18">cos</a> <a href="relset_1.html#K5" title="RELSET_1:func.5">|</a> <span class="p2"><a href="rcomp_1.html#K1" title="RCOMP_1:func.1">[.</a><span class="default"><a href="numbers.html#K5" title="NUMBERS:func.5">0</a>,<a href="sin_cos.html#K28" title="SIN_COS:func.28">PI</a></span><a href="rcomp_1.html#K1" title="RCOMP_1:func.1">.]</a></span></span>)</span> <a href="partfun2.html#K2" title="PARTFUN2:func.2">"</a> ;<br/></span></div>
