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<div><span class="kw">theorem </span><a NAME="T78"><span class="comment"><font color="firebrick">:: SIN_COS9:78</font></span><br/></a><div class="add"><a href="sin_cos9.html#K2" title="SIN_COS9:func.2">arccot</a> <a href="partfun1.html#K2" title="PARTFUN1:func.2">|</a> <span class="p1">(<span class="default"><a href="sin_cos.html#K27" title="SIN_COS:func.27">cot</a> <a href="relset_1.html#K7" title="RELSET_1:func.7">.:</a> <span class="p2"><a href="rcomp_1.html#K2" title="RCOMP_1:func.2">].</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#K2" title="RCOMP_1:func.2">.[</a></span></span>)</span> is  <a href="fcont_1.html#V1" title="FCONT_1:attr.1">continuous</a>  <span class="kw">by</span> <span class="lab"><a class="ref" href="sin_cos9.html#T72" target="_self" onmouseover="rs('sin_cos9/T72')" onmouseout="rh()">Th72</a>, <a class="ref" href="fdiff_1.html#T25" onmouseover="rs('fdiff_1/T25')" onmouseout="rh()">FDIFF_1:25</a></span>;<br/></div></div>
