document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=754631>Question 754631</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you prove (cosx-secx)^2=tan^2x-sin^2x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #459220 by </B><A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><B>tommyt3rd(5050)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><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=tommyt3rd><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=459220\">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=%0D%0A%28cosx-secx%29%5E2=%28cos%28x%29-1%2F%28cos%28x%29%29%29%5E2=cos%5E2%28x%29-2cos%28x%29%281%2Fcos%28x%29%29%2B1%2Fcos%5E2%28x%29=cos%5E2%28x%29-2%2Bsec%5E2%28x%29%0D%0A ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "which we rewrite as\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%0D%0A%28sec%5E2%28x%29-1%29%2B%28cos%5E2%28x%29-1%29=tan%5E2%28x%29%2Bsin%5E2%28x%29%0D%0A ALIGN=MIDDLE  ALT=\"%0D%0A%28sec%5E2%28x%29-1%29%2B%28cos%5E2%28x%29-1%29=tan%5E2%28x%29%2Bsin%5E2%28x%29%0D%0A\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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