document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=669044>Question 669044</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help me prove cscx/1+cscx - cscx/1-cscx = 2 sec^2x.\r<BR>\n" );
document.write( "\n" );
document.write( "Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #416029 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=416029\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Help me prove cscx/1+cscx - cscx/1-cscx = 2 sec^2x.<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "Eliminate fractions.\r<BR>\n" );
document.write( "\n" );
document.write( "Change it all to sines and cosines.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );