document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=742896>Question 742896</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you prove this equation: tan^2(x)-sin^2(x)=sin^2(x)tan^2(x)<BR>\n" );
document.write( "I have looked at this for hours and I have absolutely no idea what to do... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #452699 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=452699\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you prove this equation: <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%5E2%28x%29-sin%5E2%28x%29=sin%5E2%28x%29tan%5E2%28x%29 ALIGN=MIDDLE  ALT=\"tan%5E2%28x%29-sin%5E2%28x%29=sin%5E2%28x%29tan%5E2%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "start from left side<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%5E2%28x%29-sin%5E2%28x%29%0D%0A=sin%5E2%28x%29%2Fcos%5E2%28x%29-sin%5E2%28x%29%0D%0A=%28sin%5E2%28x%29-cos%5E2%28x%29sin%5E2%28x%29%29%2Fcos%5E2%28x%29%0D%0A=%28sin%5E2%28x%29%29%281-cos%5E2%28x%29%29%2Fcos%5E2%28x%29%0D%0A=%28sin%5E4%28x%29%29%2Fcos%5E2%28x%29%0D%0A=sin%5E2%28x%29sin%5E2%28x%29%2Fcos%5E2%28x%29%0D%0A=sin%5E2%28x%29tan%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" );