document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1026394>Question 1026394</A>: <I><SPAN STYLE=\"word-break: break-all;\"> cos^2(x)+2cos(x)+1=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #641626 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=641626\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%28x%29%2B1%29%5E2=0 ALIGN=MIDDLE  ALT=\"%28cos%28x%29%2B1%29%5E2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28x%29=-1 ALIGN=MIDDLE  ALT=\"cos%28x%29=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Either of these possible:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28x=-pi%2Cx=pi%2Cx=0%2B-+n%2Api%29 ALIGN=MIDDLE  ALT=\"system%28x=-pi%2Cx=pi%2Cx=0%2B-+n%2Api%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, as long as n is any INTEGER. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );