document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=997984>Question 997984</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me verify the identity tan2x=-2tanx/sec^2x-2? Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #615899 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=615899\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Can you please help me verify the identity tan2x=-2tanx/sec^2x-2<BR>\n" );
document.write( "start with right side<BR>\n" );
document.write( "-2tanx/sec^2x-2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-2tan%28x%29%29%2F%28tan%5E2%28x%29%2B1-2%29 ALIGN=MIDDLE  ALT=\"%28-2tan%28x%29%29%2F%28tan%5E2%28x%29%2B1-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-2tan%28x%29%29%2F%28tan%5E2%28x%29-1%29 ALIGN=MIDDLE  ALT=\"%28-2tan%28x%29%29%2F%28tan%5E2%28x%29-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282tan%28x%29%29%2F%281-tan%5E2%28x%29%29 ALIGN=MIDDLE  ALT=\"%282tan%28x%29%29%2F%281-tan%5E2%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=tan2x </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );