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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E30">Th18</font></span>: <a NAME="T18"><span class="comment"><font color="firebrick">:: SIN_COS:18</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">z</font> being   <a href="xcmplx_0.html#NM1" title="XCMPLX_0:NM.1">Complex</a><br/>  for <font color="Olive" title="b2">n</font> being   <a href="ordinal1.html#NM6" title="ORDINAL1:NM.6">Nat</a> holds   <a href="numbers.html#K5" title="NUMBERS:func.5">0</a>  <a href="xxreal_0.html#R1" title="XXREAL_0:pred.1">&lt;=</a> <span class="p1">(<span class="default"><span class="p2"><a href="complex1.html#K9" title="COMPLEX1:func.9">|.</a><span class="default"><font color="Olive" title="b1">z</font></span><a href="complex1.html#K9" title="COMPLEX1:func.9">.|</a></span> <a href="sin_cos.html#K4" title="SIN_COS:func.4">rExpSeq</a></span>)</span> <a href="nat_1.html#K8" title="NAT_1:func.8">.</a> <font color="Olive" title="b2">n</font></div></div>
