document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1034392>Question 1034392</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For 3x² + xy + 3y² = 1, find &#920;, the angle of rotation about the origin, to the nearest degree.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #649033 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=649033\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The angle of rotation of axes <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=theta ALIGN=MIDDLE  ALT=\"theta\"   DISABLED_style= \"max-width:90%; height:auto;\" > that would eliminate the xy term from the conic <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Ax%5E2+%2BBxy+%2BCy%5E2+%2B+Dx+%2B+Ey+%2BF+=+0+ ALIGN=MIDDLE  ALT=\"Ax%5E2+%2BBxy+%2BCy%5E2+%2B+Dx+%2B+Ey+%2BF+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >is \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cot%282%2Atheta%29+=+%28A+-+C%29%2FB ALIGN=MIDDLE  ALT=\"cot%282%2Atheta%29+=+%28A+-+C%29%2FB\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cot%282%2Atheta%29+=+%28A+-+C%29%2FB+=+%283-3%29%2F1+=+0 ALIGN=MIDDLE  ALT=\"cot%282%2Atheta%29+=+%28A+-+C%29%2FB+=+%283-3%29%2F1+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%282%2Atheta%29+=+infinity ALIGN=MIDDLE  ALT=\"tan%282%2Atheta%29+=+infinity\"   DISABLED_style= \"max-width:90%; height:auto;\" >  ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2Atheta+=+90%5Eo ALIGN=MIDDLE  ALT=\"2%2Atheta+=+90%5Eo\"   DISABLED_style= \"max-width:90%; height:auto;\" >  ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28theta+=+45%5Eo%29 ALIGN=MIDDLE  ALT=\"highlight%28theta+=+45%5Eo%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
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