document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=889520>Question 889520</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2 cos^2 sigma sign + sin sigma symbol-2=0\r<BR>\n" );
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document.write( "interval [0,2&#960;) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #538211 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=538211\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2 cos^2 sigma sign + sin sigma symbol-2=0 <BR>\n" );
document.write( "interval [0,2&#960;)<BR>\n" );
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document.write( "use x for sigma:<BR>\n" );
document.write( "solve for x<BR>\n" );
document.write( "2cos^x+six-2=0<BR>\n" );
document.write( "2(1-sin^2x)+sinx-2=0<BR>\n" );
document.write( "2-2sin^2x+sinx-2=0<BR>\n" );
document.write( "-2sin^2x+sinx=0<BR>\n" );
document.write( "sinx(-2sinx+1)=0<BR>\n" );
document.write( "..<BR>\n" );
document.write( "sinx=0<BR>\n" );
document.write( "x=0<BR>\n" );
document.write( "or<BR>\n" );
document.write( "-2sinx+1=0<BR>\n" );
document.write( "sinx=1/2<BR>\n" );
document.write( "x=&#960;/4, 3&#960;/4 </SPAN>\n" );
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