document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1097299>Question 1097299</A>: <I><SPAN STYLE=\"word-break: break-all;\"> show that cot^2theta - cos^2theta =( cos^4theta) (csc^2theta) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #711696 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=711696\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> show that cot^2theta - cos^2theta =( cos^4theta) (csc^2theta)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "cot^2 - cos^2 = cos^4*csc^2<BR>\n" );
document.write( "cos^2/sin^2 - cos^2 = cos^4/sin^2<BR>\n" );
document.write( "Nultiply by sin^2<BR>\n" );
document.write( "cos^2 - sin^2*cos^2 = cos^4<BR>\n" );
document.write( "Divide by cos^2<BR>\n" );
document.write( "1 - sin^2 = cos^2<BR>\n" );
document.write( "QED<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );