document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=746536>Question 746536</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the equation 4sin^2x-1=0 for x over the 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 #454492 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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/cgi-bin/show-face.mpl?user=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=454492\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4sin^2x - 1 + 0<BR>\n" );
document.write( "4 sin^2x = 1<BR>\n" );
document.write( "  sin^x = 1/4<BR>\n" );
document.write( "Take square root of both sides<BR>\n" );
document.write( "  sin x = + and - 1/2\r<BR>\n" );
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document.write( "Because the square root has been taken of the <BR>\n" );
document.write( "angle both positive and negative values must<BR>\n" );
document.write( "be included.\r<BR>\n" );
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document.write( "      x = 30, 150, 210, 330, 390, 510,<BR>\n" );
document.write( "          570, 690, 750, 870, 930.\r<BR>\n" );
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document.write( "        [ interval 0, 960}  </SPAN>\n" );
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