document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=390455>Question 390455</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve cos square x - 2sinxcosx - sin square x = 0, 0< or equal to 2x < or equal to pi? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #276839 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=276839\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve cos square x - 2sinxcosx - sin square x = 0, 0< or equal to 2x < or equal to pi?<BR>\n" );
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document.write( "cos^2(x)-2sin(x)cos(x) -sin^2(x) = 0<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Factor: to get:<BR>\n" );
document.write( "(cos(x)-sin(x))^2 = 0<BR>\n" );
document.write( "----<BR>\n" );
document.write( "cos(x) = sin(x) where 0<= 2x <= pi<BR>\n" );
document.write( "---<BR>\n" );
document.write( "cos(x) = sin(x) where 0<= x <= pi/2<BR>\n" );
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document.write( "x = pi/4<BR>\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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