document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=608276>Question 608276</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove the following identity:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sin2x%29%2F%28cos2x%29+=+%28cos2x%29%2F%281%2Bsin2x%29 ALIGN=MIDDLE  ALT=\"%281-sin2x%29%2F%28cos2x%29+=+%28cos2x%29%2F%281%2Bsin2x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #383137 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=383137\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Prove the following identity:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-sin2x%29%2F%28cos2x%29+=+%28cos2x%29%2F%281%2Bsin2x%29 ALIGN=MIDDLE  ALT=\"%281-sin2x%29%2F%28cos2x%29+=+%28cos2x%29%2F%281%2Bsin2x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------<BR>\n" );
document.write( "If it's sin(2x), etc, cross multiply<BR>\n" );
document.write( "1 - sin^2 = cos^2 the Pythagorean identity<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );