document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=560919>Question 560919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the following equation for x<BR>\n" );
document.write( "2cos^2x+sinx=1 for 0 < x < 360 deg\r<BR>\n" );
document.write( "\n" );
document.write( "please help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #364320 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=364320\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve the following equation for x<BR>\n" );
document.write( "2cos^2x+sinx=1 for 0 < x < 360 deg<BR>\n" );
document.write( "2(1-sin^2x)+sinx=1<BR>\n" );
document.write( "2-2sin^2x+sinx=1<BR>\n" );
document.write( "-2sin^2x+sinx+1=0<BR>\n" );
document.write( "2sin^2x-sinx-1=0<BR>\n" );
document.write( "(2sinx+1)(sinx-1)=0<BR>\n" );
document.write( "..<BR>\n" );
document.write( "2sinx+1=0<BR>\n" );
document.write( "sinx=-1/2<BR>\n" );
document.write( "x=210º and 330º (in quadrants III and IV where sin<0)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "sinx-1=0<BR>\n" );
document.write( "sinx=1<BR>\n" );
document.write( "x=90º<BR>\n" );
document.write( "..<BR>\n" );
document.write( "ans:<BR>\n" );
document.write( "x=210º, 330º and 90º </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );