document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1091335>Question 1091335</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove the following identity :<BR>\n" );
document.write( "(cos^2 theta - sin^2 theta)/(cos^2 theta + sin theta cos theta) = 1 - tan theta </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #705701 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=705701\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%5E2+%28theta%29+-+sin%5E2+%28theta%29%29%2F%28cos%5E2+%28theta+%29%2B+sin%28+theta%29+cos+%28theta%29%29+=+1+-+tan+%28theta+%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28theta%29%2Fcos+%28theta+%29+-+sin+%28theta%29%2Fcos+%28theta+%29+=+1+-+tan+%28theta+%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+-+tan+%28theta+%29+=+1+-+tan+%28theta+%29 ALIGN=MIDDLE  ALT=\"1+-+tan+%28theta+%29+=+1+-+tan+%28theta+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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