document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1170449>Question 1170449</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the equation sin^2x = 3cos^2x.\r<BR>\n" );
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document.write( "The value of x that satisfies the equation if x lies in the second quadrant is <BR>\n" );
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document.write( "a. 60°<BR>\n" );
document.write( "b. 120°<BR>\n" );
document.write( "c. 150°<BR>\n" );
document.write( "d. 240°<BR>\n" );
document.write( "e. 300°  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #795324 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=795324\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve the equation sin^2(x) = 3cos^2(x)<BR>\n" );
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document.write( "Use parentheses.<BR>\n" );
document.write( "sin^2(x) = 3cos^2(x)<BR>\n" );
document.write( "1 - cos^2(x) = 3cos^2(x)<BR>\n" );
document.write( "4cos^2(x) = 1<BR>\n" );
document.write( "cos^2(x) = 1/4<BR>\n" );
document.write( "cos(x) = -1/2, +1/2<BR>\n" );
document.write( "etc<BR>\n" );
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document.write( "Another method<BR>\n" );
document.write( "sin^2(x)/cos^2(x) = 3<BR>\n" );
document.write( "tan^2(x) = 3<BR>\n" );
document.write( "tan(x) = -sqrt(3), +sqrt(3)<BR>\n" );
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