document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=971395>Question 971395</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Verify each identity <BR>\n" );
document.write( "(1 over 1 + cosx) + ( 1 over 1 - cos x) = 2 csc^2 x<BR>\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 #593893 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=593893\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Verify each identity <BR>\n" );
document.write( "(1 over 1 + cosx) + ( 1 over 1 - cos x) = 2 csc^2 x<BR>\n" );
document.write( "start with left side:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F%281%2Bcosx%29%29%2B%281%2F%281-cosx%29%29 ALIGN=MIDDLE  ALT=\"%281%2F%281%2Bcosx%29%29%2B%281%2F%281-cosx%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "lcd:(1+cosx)(1-cosx)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F%281%2Bcosx%29%29%2B%281%2F%281-cosx%29%29=%281-cosx%2B1%2Bcosx%29%2F%281%2Bcosx%29%281-cosx%29%0D%0A=2%2F%281%2Bcos%5E2%28x%29%29=2%2F%28sin%5E2%28x%29%29=2csc%5E2%28x%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "verified: left side=right side </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );