document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=65090>Question 65090</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/093979862x/algebrahomeworkh>An Incremental Development</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Convert  \r<BR>\n" );
document.write( "\n" );
document.write( "-3R - 4U to polar form </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #45683 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=45683\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Convert <BR>\n" );
document.write( "-3R - 4U to polar form<BR>\n" );
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document.write( "I've never seen R and U used this way.<BR>\n" );
document.write( "I'm going to assume this corresponds to the complex<BR>\n" );
document.write( "number -3-4i<BR>\n" );
document.write( "If it does the polar form is as follows:<BR>\n" );
document.write( "r=sqrt(3^2+4^2)=5<BR>\n" );
document.write( "theta=arctan(-4/-3)=233.13<BR>\n" );
document.write( "Polar form = 5(cos233.13+isin233.13)<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );