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<a href="sin_cos3.html#K1" title="SIN_COS3:func.1">sin_C</a>  <a href="finseq_4.html#K4" title="FINSEQ_4:func.4">/.</a> <a href="complex1.html#K5" title="COMPLEX1:func.5">0c</a>  = 
<span class="p1">(<span class="default"><span class="p2">(<span class="default"><a href="sin_cos.html#K18" title="SIN_COS:func.18">exp</a> <a href="complex1.html#K5" title="COMPLEX1:func.5">0c</a> </span>)</span> <a href="complex1.html#K11" title="COMPLEX1:func.11">-</a> <span class="p2">(<span class="default"><a href="sin_cos.html#K18" title="SIN_COS:func.18">exp</a> <span class="p3">(<span class="default"><a href="complex1.html#K10" title="COMPLEX1:func.10">-</a> <span class="p4">(<span class="default"><a href="complex1.html#K7" title="COMPLEX1:func.7">&lt;i&gt;</a>  <a href="complex1.html#K9" title="COMPLEX1:func.9">*</a> <a href="complex1.html#K5" title="COMPLEX1:func.5">0c</a> </span>)</span></span>)</span></span>)</span></span>)</span> <a href="xcmplx_0.html#K7" title="XCMPLX_0:func.7">/</a> <span class="p1">(<span class="default"><a href="complex1.html#K7" title="COMPLEX1:func.7">&lt;i&gt;</a>  <a href="xcmplx_0.html#K3" title="XCMPLX_0:func.3">*</a> 2</span>)</span>
<b>by </b><i><a class="txt" href="sin_cos3.html#E6"><i><font color="Green" title="E6">Lm2</font></i></a></i>
<br/>.= 
<a href="complex1.html#K5" title="COMPLEX1:func.5">0c</a>  <a href="xcmplx_0.html#K7" title="XCMPLX_0:func.7">/</a> <span class="p1">(<span class="default"><a href="complex1.html#K7" title="COMPLEX1:func.7">&lt;i&gt;</a>  <a href="xcmplx_0.html#K3" title="XCMPLX_0:func.3">*</a> 2</span>)</span>

;<br/>
<b>hence </b><a NAME="E2:31"/>
<a href="sin_cos3.html#K1" title="SIN_COS3:func.1">sin_C</a>  <a href="finseq_4.html#K4" title="FINSEQ_4:func.4">/.</a> <a href="complex1.html#K5" title="COMPLEX1:func.5">0c</a>  <a href="hidden.html#R1" title="HIDDEN:pred.1">=</a> 0
 ;<br/>


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