document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=399987>Question 399987</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve equation for all value of ø if ø measure in degrees<BR>\n" );
document.write( "2cos^2ø+2=5cosø<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 #283198 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=283198\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve equation for all value of ø if ø measure in degrees<BR>\n" );
document.write( "2cos^2ø+2=5cosø\r<BR>\n" );
document.write( "\n" );
document.write( "-------------<BR>\n" );
document.write( "2cos^2 - 5cos + 2 = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "2cos^2 - 4cos-cos +2 = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "2cos(cos-2) - (cos-2) = 0<BR>\n" );
document.write( "(cos-2)(2cos-1) = 0<BR>\n" );
document.write( "cos = 2 or cos = 1/2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "cos(theta) = 1/2<BR>\n" );
document.write( "----<BR>\n" );
document.write( "theta = pi/3<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "========== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );