document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=894672>Question 894672</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello,\r<BR>\n" );
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document.write( "Could yo please differentiate, y=2sin2x . cos2x\r<BR>\n" );
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document.write( "Thankyou in advance,\r<BR>\n" );
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document.write( "Alex </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #542229 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=542229\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> differentiate, y=2sin2x . cos2x<BR>\n" );
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document.write( "y = sin(2x)*cos(2x)<BR>\n" );
document.write( "It's the product rule<BR>\n" );
document.write( "y' = 2cos(2x)*cos(2x) + sin(2x)*-2sin(2x)<BR>\n" );
document.write( "= 2(cos^2(2x) - sin^2(2x))<BR>\n" );
document.write( "= 2cos(4x)<BR>\n" );
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