document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=950270>Question 950270</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 8sin(&#960;/5)sin(&#960;/3)\r<BR>\n" );
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document.write( "I have an idea on how to solve this and got 4[Cos(2pi/15)-cos(8pi/15].<BR>\n" );
document.write( "Please help<BR>\n" );
document.write( "Thank you<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #580224 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=580224\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 8sin( pi/5)sin(pi/3) <BR>\n" );
document.write( "I have an idea on how to solve this and got 4[Cos(2pi /15)-cos(8pi /15).<BR>\n" );
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document.write( "Product to sum identity:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sinxsiny=%281%2F2%29%28cos%28x-y%29-cos%28x%2By%29%29 ALIGN=MIDDLE  ALT=\"sinxsiny=%281%2F2%29%28cos%28x-y%29-cos%28x%2By%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "I believe you used this Identity to get the answer which is correct. </SPAN>\n" );
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