document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=125246>Question 125246</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to prove prove sin(a + b)  =  sin(a)cos(b) + cos(a)sin(b) (even graphically) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #91827 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=91827\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Look at the following website for a very elegant proof. \r<BR>\n" );
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document.write( "http://www.cut-the-knot.org/proofs/sine_cosine.shtml </SPAN>\n" );
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