ginary part of a complex number.
     </dl>
                                                                                   

                                                                                   
<p class="noindent">
<h3 class="sectionHead"><span class="titlemark">17.2    </span> <a 
 id="x25-22000017.2"></a>Polar form </h3>
<p class="noindent">
     <dl> <dt class="haddockdesc">
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cellspacing="0" cellpadding="0" r