document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=863445>Question 863445</A>: <I><SPAN STYLE=\"word-break: break-all;\"> verify the identity.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%28sec%28x%29-tan%28x%29%29%5E2 ALIGN=MIDDLE  ALT=\"%281-sinx%29%2F%281%2Bsinx%29=%28sec%28x%29-tan%28x%29%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #520419 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=520419\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%28sec%28x%29-tan%28x%29%29%5E2 ALIGN=MIDDLE  ALT=\"%281-sinx%29%2F%281%2Bsinx%29=%28sec%28x%29-tan%28x%29%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%28%281%29%2F%28cos%28x%29%29-%28sin%28x%29%29%2F%28cos%28x%29%29%29%5E2 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%28%281-sin%28x%29%29%2F%28cos%28x%29%29%29%5E2 ALIGN=MIDDLE  ALT=\"%281-sinx%29%2F%281%2Bsinx%29=%28%281-sin%28x%29%29%2F%28cos%28x%29%29%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%28%281-sin%28x%29%29%5E2%29%2F%28cos%5E2%28x%29%29 ALIGN=MIDDLE  ALT=\"%281-sinx%29%2F%281%2Bsinx%29=%28%281-sin%28x%29%29%5E2%29%2F%28cos%5E2%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%28%281-sin%28x%29%29%5E2%29%2F%281-sin%5E2%28x%29%29 ALIGN=MIDDLE  ALT=\"%281-sinx%29%2F%281%2Bsinx%29=%28%281-sin%28x%29%29%5E2%29%2F%281-sin%5E2%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%28%281-sin%28x%29%29%5E2%29%2F%28%281-sin%28x%29%29%281%2Bsin%28x%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%28%281-sin%28x%29%29%281-sin%28x%29%29%29%2F%28%281-sin%28x%29%29%281%2Bsin%28x%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%28highlight%28%281-sin%28x%29%29%29%281-sin%28x%29%29%29%2F%28highlight%28%281-sin%28x%29%29%29%281%2Bsin%28x%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%28cross%28%281-sin%28x%29%29%29%281-sin%28x%29%29%29%2F%28cross%28%281-sin%28x%29%29%29%281%2Bsin%28x%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sinx%29%2F%281%2Bsinx%29=%281-sin%28x%29%29%2F%281%2Bsin%28x%29%29 ALIGN=MIDDLE  ALT=\"%281-sinx%29%2F%281%2Bsinx%29=%281-sin%28x%29%29%2F%281%2Bsin%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  <IMG STYLE=\"max-width:80%;\" src=\"http://www.sciweavers.org/tex2img.php?eq=%5Ccolor%7Bgreen%7D%5Ccheckmark&bc=White&fc=Black&im=jpg&fs=36&ff=arev&edit=0\" align=\"center\" border=\"0\" alt=\"\color{green}\checkmark\" width=\"46\" height=\"42\" />\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So the identity is confirmed. Notice how I did NOT alter the left side at all. I only changed the right side.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );