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<div><span class="kw">theorem </span><span class="lab"><font color="Green" title="E22">Th14</font></span>: <a NAME="T14"><span class="comment"><font color="firebrick">:: LEIBNIZ1:14</font></span><br/></a><div class="add"><a href="sin_cos.html#K28" title="SIN_COS:func.28">PI</a> <a href="xcmplx_0.html#K7" title="XCMPLX_0:func.7">/</a> 4 <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a>  <a href="series_1.html#K4" title="SERIES_1:func.4">Sum</a> <a href="leibniz1.html#K3" title="LEIBNIZ1:func.3">Leibniz_Series</a> <span class="kw">by</span> <span class="lab"><a class="ref" href="leibniz1.html#T13" target="_self" onmouseover="rs('leibniz1/T13')" onmouseout="rh()">Th13</a>, <a class="ref" href="sin_cos9.html#T39" onmouseover="rs('sin_cos9/T39')" onmouseout="rh()">SIN_COS9:39</a></span>;<br/></div></div>
