document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=752310>Question 752310</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How can I use an addition or subtraction formula to simplify the following equation. In order to find all the solutions in the interval [0,2pi). \r<BR>\n" );
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document.write( "sin 4 x *cos 3 x - cos 4 x *sin 3 x = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #457671 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=457671\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find all the solutions in the interval [0,2pi). <BR>\n" );
document.write( "sin 4 x *cos 3 x - cos 4 x *sin 3 x = 0<BR>\n" );
document.write( "Identity: sin(x-y)=sinx*cosy-cosx*siny<BR>\n" );
document.write( "For given problem:<BR>\n" );
document.write( "sin 4 x *cos 3 x - cos 4 x *sin 3 x=sin(4x-3x)=0<BR>\n" );
document.write( "sinx=0<BR>\n" );
document.write( "x=0, &#960; </SPAN>\n" );
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