document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=889596>Question 889596</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove the identity:\r<BR>\n" );
document.write( "\n" );
document.write( "Cosx/1-sinx - sinx/cosx = 1/cosx\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #538265 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=538265\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Prove the identity:\r<BR>\n" );
document.write( "\n" );
document.write( "Cosx/1-sinx - sinx/cosx = 1/cosx<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "cos^2/(1-sin) - sin = 1<BR>\n" );
document.write( "cos^2/(1-sin) = 1 + sin<BR>\n" );
document.write( "(1-sin^2)/(1-sin) = 1 + sin<BR>\n" );
document.write( "1+sin = 1+sin<BR>\n" );
document.write( "QED </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );