document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1015648>Question 1015648</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this problem:<BR>\n" );
document.write( "Differentiate the following functions:<BR>\n" );
document.write( "y = (ln x)(tan x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #632009 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=632009\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Differentiate the following functions:<BR>\n" );
document.write( "y = (ln x)(tan x)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "It's the product rule.<BR>\n" );
document.write( "= d(ln(x))*tan(x) + ln(x)*d(tan(x)<BR>\n" );
document.write( "= (1/x)*tan(x) + ln(x)*sec^2(x)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );