document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168762>Question 1168762</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. sketch 2 periods of the graph of the function f(x) = tan(2x)\r<BR>\n" );
document.write( "\n" );
document.write( "2.sketch one period of the of the graphs of y =cos(x) and f(x) = -2cos(x/2) on the same coordinate plane. Include all five key in your graph  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #851412 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=851412\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Go to website www.desmos.com/calculator\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Find there free of charge online plotting tool for common use.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Print equations of your functions there and get the graphs instantly.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );