document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=594974>Question 594974</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve algebraically for all values of x in the interval 0&#8804; x < 360.2 sin2 x&#8722; 4 sin x = cos2 x &#8722; 2<BR>\n" );
document.write( "Express your answers to the nearest degree. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #377000 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=377000\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve algebraically for all values of x in the interval 0&#8804; x < 360.2 sin2 x&#8722; 4 sin x = cos2 x &#8722; 2<BR>\n" );
document.write( "Express your answers to the nearest degree.<BR>\n" );
document.write( "**<BR>\n" );
document.write( "2 sin2 x&#8722; 4 sin x = cos2 x &#8722; 2<BR>\n" );
document.write( "2sin^2-4sin=cos^2-2<BR>\n" );
document.write( "2sin^2-4sin=1-sin^2-2<BR>\n" );
document.write( "3sin^2-4sin+1=0<BR>\n" );
document.write( "(3sinx-1)(sinx-1)=0<BR>\n" );
document.write( "..<BR>\n" );
document.write( "3sinx+1=0<BR>\n" );
document.write( "sinx=-1/3<BR>\n" );
document.write( "x&#8776;199º and 341º (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( "ans:<BR>\n" );
document.write( "x=90º, 199º and 341º<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );