document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1058746>Question 1058746</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need your help to verify this identity: \r<BR>\n" );
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document.write( "2sec^2x-2sec^2x*sin^2x-sin^2x-cos^2x=1<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #673842 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=673842\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2sec^2x-2sec^2x*sin^2x-sin^2x-cos^2x=1<BR>\n" );
document.write( "2sec^2x-2sec^2x*sin^2x-(sin^2x+cos^2x) = 1<BR>\n" );
document.write( "2sec^2x-2sec^2x*sin^2x - 1 = 1<BR>\n" );
document.write( "2sec^2x-2sec^2x*sin^2x = 2<BR>\n" );
document.write( "sec^2x - sec^2x*sin^2x = 1<BR>\n" );
document.write( "sec^2*(1 - sin^2) = 1<BR>\n" );
document.write( "sec^2*cos^2 = 1<BR>\n" );
document.write( "QED\r<BR>\n" );
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