document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1010873>Question 1010873</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sin2a/1-cos^2a x sin2a/cos2a= 4cosa </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #626364 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=626364\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sin2a/1-cos^2a x sin2a/cosa=4cosa<BR>\n" );
document.write( "2sina*cosa/sin^2a * 2sina*cosa/cos a = <BR>\n" );
document.write( "4*sin^2a*cos^2a / sin^2a* cosa =<BR>\n" );
document.write( "4 cos^2 a / cos a =<BR>\n" );
document.write( "4 cos a = 4 cos a </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );