document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1153915>Question 1153915</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the exact values of sin(2u),cos(2u),tan(2u)using the half-angle formulas.<BR>\n" );
document.write( "sin u = -3/5, 0  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #776239 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=776239\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "(1) What does \"sin u = -3/5, 0\" mean?<br><BR>\n" );
document.write( "(2) If you give use the values of sin u and cos u, we can't find the values of sin(2u), cos(2u), or tan(2u) using half-angle formulas -- we would need to use double-angle formulas.<br><BR>\n" );
document.write( "If you want help with your questions, be careful to post them clearly and correctly.<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );