document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=827541>Question 827541</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use a product-to-sum or sum-to-product identity to complete the simplification shown below.\r<BR>\n" );
document.write( "\n" );
document.write( "sin(36 degrees)+sin(24 degrees)=sin(A)\r<BR>\n" );
document.write( "\n" );
document.write( "where the exact value of A with 0 degrees < A < 90 degrees is:\r<BR>\n" );
document.write( "\n" );
document.write( "A =  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #498759 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=498759\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use a product-to-sum or sum-to-product identity to complete the simplification shown below.<BR>\n" );
document.write( "sin(36 degrees)+sin(24 degrees)=sin(A)<BR>\n" );
document.write( "where the exact value of A with 0 degrees < A < 90 degrees is: <BR>\n" );
document.write( "***<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28s%29%2Bsin%28t%29=2%28sin%28s%2Bt%29%2F2%29%28cos%28s-t%29%2F2%29=sin%28A%29 ALIGN=MIDDLE  ALT=\"sin%28s%29%2Bsin%28t%29=2%28sin%28s%2Bt%29%2F2%29%28cos%28s-t%29%2F2%29=sin%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2836%29%2Bsin%2824%29=2%28sin%2836%2B24%29%2F2%29%28cos%2836-24%29%2F2%29=sin%28A%29 ALIGN=MIDDLE  ALT=\"sin%2836%29%2Bsin%2824%29=2%28sin%2836%2B24%29%2F2%29%28cos%2836-24%29%2F2%29=sin%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2836%29%2Bsin%2824%29=2sin%2830%29cos%286%29=sin%28A%29 ALIGN=MIDDLE  ALT=\"sin%2836%29%2Bsin%2824%29=2sin%2830%29cos%286%29=sin%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2836%29%2Bsin%2824%29=2%281%2F2%29cos%286%29=sin%28A%29 ALIGN=MIDDLE  ALT=\"sin%2836%29%2Bsin%2824%29=2%281%2F2%29cos%286%29=sin%28A%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "cos(6)=sin(A)<BR>\n" );
document.write( "cos(6)=sin(90-6)=sin(84)<BR>\n" );
document.write( "sin(A)=sin(84)<BR>\n" );
document.write( "A=84&#730;<BR>\n" );
document.write( "..<BR>\n" );
document.write( "calculator check:<BR>\n" );
document.write( "sin(36)+sin(24)&#8776;0.9945..<BR>\n" );
document.write( "sin(A)=sin84&#8776;0.9945.. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );