document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=857178>Question 857178</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the angle between the given vectors to the nearest tenth of a degree.<BR>\n" );
document.write( "u=sq.root5i-8j, v=sq.root5i+j<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #516439 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=516439\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the angle between the given vectors to the nearest tenth of a degree.<BR>\n" );
document.write( "u=sq.root5i-8j, v=sq.root5i+j<BR>\n" );
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document.write( "standard angle with terminal side <BR>\n" );
document.write( "thru (sqrt(5),-8) is arctan(-8/sqrt(5)) = 285.62 degrees<BR>\n" );
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document.write( "standard angle with terminal side<BR>\n" );
document.write( "thru (sqrt(5,1) is arctan(1/sqrt(5) = 65.91 degrees<BR>\n" );
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document.write( "Angle between = 285.62-65.91 = 219.71 degrees<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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