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<a href="sin_cos3.html#K3" target="_self">sinh_C</a>  <a href="finseq_4.html#K4">/.</a> <a href="complex1.html#K5">0c</a>  = 
<span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="sin_cos.html#K18">exp</a> <a href="complex1.html#K5">0c</a> </span>)</span> <a href="complex1.html#K11">-</a> <span class="p2">(<span class="default"><a href="sin_cos.html#K18">exp</a> <span class="p3">(<span class="default"><a href="complex1.html#K10">-</a> <a href="complex1.html#K5">0c</a> </span>)</span></span>)</span></span>)</span> <a href="xcmplx_0.html#K7">/</a> 2
<b>by </b><i/>
<br/>.= 
<a href="complex1.html#K5">0c</a>  <a href="xcmplx_0.html#K7">/</a> 2

;<br/>
<b>hence </b><a NAME="E2:32"/>
<a href="sin_cos3.html#K3" target="_self">sinh_C</a>  <a href="finseq_4.html#K4">/.</a> <a href="complex1.html#K5">0c</a>  <a href="hidden.html#R1">=</a> 0
 ;<br/>


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