document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=946646>Question 946646</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Convert the following rectangular coordinates to polar coordinates. Provide 2 variations, one with positive \"r\", and one with negative \"r\".\r<BR>\n" );
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document.write( "(2, -2 sqrt(3))\r<BR>\n" );
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document.write( "I get r, but I can't figure out what theta is for each polar coordinate.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #577537 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=577537\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Convert the following rectangular coordinates to polar coordinates. Provide 2 variations, one with positive \"r\", and one with negative \"r\".<BR>\n" );
document.write( " (2, -2 sqrt(3)) <BR>\n" );
document.write( "I get r, but I can't figure out what theta is for each polar coordinate. <BR>\n" );
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document.write( "r = sqrt[2^2 + (2sqrt(3))^2] = sqrt[4 + 12] = 4<BR>\n" );
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document.write( "theta = arctan(-2sqrt(3)/2) = arctan(-sqrt(3)) = 120 degrees or 300 degrees<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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