document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1046316>Question 1046316</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve 3 sin^2 theta=4cos theta-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #661783 by </B><A HREF=/tutors/aboutme.mpl?userid=t0hierry><B>t0hierry(194)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=t0hierry><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=t0hierry><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=661783\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3sin^2 theta = 3 - 3 cos^2 theta = 4 cos theta - 1<BR>\n" );
document.write( "or<BR>\n" );
document.write( "cos^2 theta + 4/3 cos theta - 4/3 = 0\r<BR>\n" );
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document.write( "cos theta = 1/2[-4/3 +- sqrt(16/9 + 16*3/3*3)]<BR>\n" );
document.write( "cos theta =  -4/6 + 1/2 4/3 sqrt 5<BR>\n" );
document.write( "cos theta = 2/3(sqrt(5) - 1)\r<BR>\n" );
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document.write( "Can you check? </SPAN>\n" );
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