document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=962291>Question 962291</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2cosx^{2}+3cos=2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #587916 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=587916\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2cosx^2+3cos=2<BR>\n" );
document.write( "2cosx^2 + 3cos - 2 = 0<BR>\n" );
document.write( "(2cos - 1)*(cos + 2) = 0<BR>\n" );
document.write( "cos(x) = -2  --> no real number solution.<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "cos(x) = 1/2<BR>\n" );
document.write( "x = pi/3 + 2n*pi, n = 0,1,2,3...<BR>\n" );
document.write( "x = 5pi/3 + 2n*pi, n = 0,1,2,3...<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );