document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=975715>Question 975715</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello,<BR>\n" );
document.write( "I need help with simplifying the expression: (1+cos&#945;)/(1-cos&#945;).tan^2 &#945;/2- cos^2 &#945;<BR>\n" );
document.write( "Or a picture will be better: http://i.imgur.com/HL34xFa.png\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you a lot in advance.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #599271 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=599271\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> By identity,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%5E2%28alpha%2F2%29=%281-cos%28alpha%29%29%2F%281%2Bcos%28alpha%29%29 ALIGN=MIDDLE  ALT=\"tan%5E2%28alpha%2F2%29=%281-cos%28alpha%29%29%2F%281%2Bcos%28alpha%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So  then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%281%2Bcos%28alpha%29%29%2F%281-cos%28alpha%29%29%29%2Atan%5E2%28alpha%2F2%29-cos%5E2%28alpha%29=1-cos%5E2%28alpha%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%281%2Bcos%28alpha%29%29%2F%281-cos%28alpha%29%29%29%2Atan%5E2%28alpha%2F2%29-cos%5E2%28alpha%29=%28%281%2Bcos%28alpha%29%29%2F%281-cos%28alpha%29%29%29%28%281-cos%28alpha%29%29%2F%281%2Bcos%28alpha%29%29%29-cos%5E2%28alpha%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%281%2Bcos%28alpha%29%29%2F%281-cos%28alpha%29%29%29%2Atan%5E2%28alpha%2F2%29-cos%5E2%28alpha%29=1-cos%5E2%28alpha%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%281%2Bcos%28alpha%29%29%2F%281-cos%28alpha%29%29%29%2Atan%5E2%28alpha%2F2%29-cos%5E2%28alpha%29=highlight%28sin%5E2%28alpha%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );