document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=892171>Question 892171</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2 sin^2x+sinx=1 <BR>\n" );
document.write( "Find all solutions to each equation for 0 less than or equal too x which is less than or equal to 2pi </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #540674 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=540674\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2 sin^2x+sinx=1 <BR>\n" );
document.write( "Find all solutions to each equation for 0<= x <=2pi<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "2sin^2(x) + sin(x) -1 = 0<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Use the quadratic formula to get:<BR>\n" );
document.write( "sin(x) = [-1 +- sqrt(1-4*2*-1)]/4<BR>\n" );
document.write( "----<BR>\n" );
document.write( "sin(x) = [-1 +- sqrt(9)]/4<BR>\n" );
document.write( "----<BR>\n" );
document.write( "sin(x) = [-1 +- 3]/4<BR>\n" );
document.write( "---<BR>\n" );
document.write( "sin(x) = 1/2 or sin(x) = -1<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "If sin(x) = 1/2, x = pi/6 or (5/6)pi<BR>\n" );
document.write( "If sin(x) = -1, x = (3/2)pi<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );