document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=933589>Question 933589</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine if the expression is an identity, if so verify it. <BR>\n" );
document.write( "Cos2x=1-sin2xtanx </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #566912 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=566912\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine if the expression is an identity, if so verify it. <BR>\n" );
document.write( "Cos2x=1-sin2xtanx<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "Is it cos(2x), or cos^2(x) ?<BR>\n" );
document.write( "Same question for sine.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Parentheses are free. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );