document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=46853>Question 46853</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me with this question? it says \"What are the following trigonometric identities for the following:\"<BR>\n" );
document.write( "1.) (double angle) cos2x=<BR>\n" );
document.write( "2.) cos(a+b)=<BR>\n" );
document.write( "3.) (double angle) sin2x=<BR>\n" );
document.write( "4.) sin(a+b)=\r<BR>\n" );
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document.write( "...any help u can offer will be apreciated thank you for you time... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #31033 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=31033\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.) (double angle)<BR>\n" );
document.write( "cos(2x) = cos^2(x) - sin^2(x) = 1 - 2sin^2(x) = 2cos^2(x) - 1<BR>\n" );
document.write( "2.) cos(a + b) = cos(a)sin(b) - sin(a)cos(b)<BR>\n" );
document.write( "3.) (double angle)<BR>\n" );
document.write( "sin(2x) = 2sin(x)cos(x)<BR>\n" );
document.write( "4.) sin(a + b) = sin(a)sin(b) + cos(a)cos(b) </SPAN>\n" );
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