document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=582284>Question 582284</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all exact solutions, in radians, of: 2cos^2(x) + sqrt(2)cosx= 0... 0<x<2pie\r<BR>\n" );
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document.write( "Thanks heaps.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #372015 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=372015\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find all exact solutions, in radians, of: 2cos^2(x) + sqrt(2)cosx= 0... 0 Thanks heaps.<BR>\n" );
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document.write( "2cos^2(x) + &#8730;2cosx= 0<BR>\n" );
document.write( "cosx(2cosx+&#8730;2)=0<BR>\n" );
document.write( "cosx=0<BR>\n" );
document.write( "x=&#960;/2+&#960;n, n= integer<BR>\n" );
document.write( "or<BR>\n" );
document.write( "2cosx+&#8730;2=0<BR>\n" );
document.write( "cosx=-&#8730;2/2<BR>\n" );
document.write( "x=3&#960;/4+2&#960;n  and 5&#960;/4+2&#960;n, n=integer, in quadrants II and III where cos<0 </SPAN>\n" );
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