document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=117789>Question 117789</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve: <BR>\n" );
document.write( " cos -1(small in the upper righthand corner)x + cos -1(small in the upper right hand corner) 2x= 60degrees </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #85790 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=85790\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve: <BR>\n" );
document.write( " cos -1(small in the upper righthand corner)x + cos -1(small in the upper right hand corner) 2x= 60degrees<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "cos^-1(x) + cos^-1(2x) = 60 degrees<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Take the cos of both sides to get:<BR>\n" );
document.write( "x + 2x = cos(60)<BR>\n" );
document.write( "x + 2x = 1/2<BR>\n" );
document.write( "3x= 1/2<BR>\n" );
document.write( "x = 1/6<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );