document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184154>Question 1184154</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If SinA - SinB = 1/2 and CosA - CosB = 1 Then find Tan(A + B)? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #814721 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=814721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Cos+A+-+Cos+B+=+1 ALIGN=MIDDLE  ALT=\"Cos+A+-+Cos+B+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > <===> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2Sin%28%28A%2BB%29%2F2%29%2ASin%28%28A-B%29%2F2%29+=+1 ALIGN=MIDDLE  ALT=\"-2Sin%28%28A%2BB%29%2F2%29%2ASin%28%28A-B%29%2F2%29+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Sin+A+-+Sin+B+=+1%2F2 ALIGN=MIDDLE  ALT=\"Sin+A+-+Sin+B+=+1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > <===> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2Cos%28%28A%2BB%29%2F2%29%2ASin%28%28A-B%29%2F2%29+=+1%2F2 ALIGN=MIDDLE  ALT=\"2Cos%28%28A%2BB%29%2F2%29%2ASin%28%28A-B%29%2F2%29+=+1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "===> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-Sin%28%28A%2BB%29%2F2%29%2FCos%28%28A%2BB%29%2F2%29+=+-Tan%28%28A%2BB%29%2F2%29+=++2 ALIGN=MIDDLE  ALT=\"-Sin%28%28A%2BB%29%2F2%29%2FCos%28%28A%2BB%29%2F2%29+=+-Tan%28%28A%2BB%29%2F2%29+=++2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, after dividing the top equation by the bottom equation.\r<BR>\n" );
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document.write( "===> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Tan%28%28A%2BB%29%2F2%29+=+-+2 ALIGN=MIDDLE  ALT=\"Tan%28%28A%2BB%29%2F2%29+=+-+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "===> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Tan%28A%2BB%29+=+%282Tan%28%28A%2BB%29%2F2%29%29%2F%281-Tan%5E2%28%28A%2BB%29%2F2%29%29+=+%282%28-2%29%29%2F%281-4%29+=+-4%2F%28-3%29+=+highlight%284%2F3%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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