document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43413>Question 43413</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write in polar form: 12+5i </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #28423 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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/cgi-bin/show-face.mpl?user=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=28423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r = sqrt(x^2 + y^2)<BR>\n" );
document.write( "theta = arctan(y/x)   ...I use q for theta<BR>\n" );
document.write( "here<BR>\n" );
document.write( "r = sqrt(12^2 + 5^2) = sqrt(169) = 13<BR>\n" );
document.write( "q = arctan(5/12)<BR>\n" );
document.write( "so we have in polar form<BR>\n" );
document.write( "(13, arctan(5/12)) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );