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<a NAME="E1:62_5_1"/>
<a href="sin_cos.html#K19">sin</a>  <a href="relset_1.html#K8">|</a> <span class="p1"><a href="rcomp_1.html#K1">[.</a><span class="default"><span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="real_1.html#K1">-</a> <span class="p4">(<span class="default"><a href="sin_cos.html#K33">PI</a>  <a href="real_1.html#K6">/</a> 2</span>)</span></span>)</span> <a href="xcmplx_0.html#K2">+</a> <font color="Maroon">H<sub>1</sub></font>(1)</span>)</span>,<span class="p2">(<span class="default"><span class="p3">(<span class="default"><a href="sin_cos.html#K33">PI</a>  <a href="real_1.html#K6">/</a> 2</span>)</span> <a href="xcmplx_0.html#K2">+</a> <font color="Maroon">H<sub>1</sub></font>(1)</span>)</span></span><a href="rcomp_1.html#K1">.]</a></span> is <a href="funct_1.html#V2">one-to-one</a>
 
<b>by </b><i><a class="ref" href="sin_cos6.html#T57" target="_self">Th57</a></i>;<br/>
<b>hence </b><a NAME="E2:62_5_1"/>
<a href="sin_cos.html#K19">sin</a>  <a href="relset_1.html#K8">|</a> <span class="p1"><a href="rcomp_1.html#K1">[.</a><span class="default"><span class="p2">(<span class="default"><span class="p3">(<span class="default">3 <a href="real_1.html#K6">/</a> 2</span>)</span> <a href="real_1.html#K4">*</a> <a href="sin_cos.html#K33">PI</a> </span>)</span>,<span class="p2">(<span class="default">2 <a href="real_1.html#K4">*</a> <a href="sin_cos.html#K33">PI</a> </span>)</span></span><a href="rcomp_1.html#K1">.]</a></span> is <a href="funct_1.html#V2">one-to-one</a>
 <b>by </b><i><a class="txt" href="sin_cos6.html#E38"><i><font color="Green">Lemma38</font></i></a>, <a class="ref" href="sin_cos6.html#T2" target="_self">Th2</a></i>;<br/>


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