document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1037722>Question 1037722</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the slope and the elevation of the tangent to the graph of y=cos 2x where x=2.4 radians. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #652346 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=652346\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the slope and the elevation of the tangent to the graph of y=cos 2x where x=2.4 radians.<BR>\n" );
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document.write( "y = cos(2x)<BR>\n" );
document.write( "y' = -2sin(2x)<BR>\n" );
document.write( "Slope = y'(2.4) = -2sin(4.8) =~ 1.99233<BR>\n" );
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document.write( "If by elevation you mean the y value:<BR>\n" );
document.write( "y(2.4) = cos(4.8) =~ 0.0875<BR>\n" );
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