document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=32499>Question 32499</A>: <I><SPAN STYLE=\"word-break: break-all;\"> prove that 1 - tan^2x = (1 - 2sin^2x)(1+tan^2x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #19058 by </B><A HREF=/tutors/aboutme.mpl?userid=Fermat><B>Fermat(136)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fermat><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=Fermat><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=19058\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1 - tan^2x<BR>\n" );
document.write( "1 - (sin^2x/cos^2x)<BR>\n" );
document.write( "(cos^2x - sin^2x)/cos^2x<BR>\n" );
document.write( "(1-2sin^2x)sec^2x<BR>\n" );
document.write( "(1-2sin^2x)(1+tan^2x) </SPAN>\n" );
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