document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=667117>Question 667117</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use an Addition or Subtraction Formula to find the exact value of the expression.<BR>\n" );
document.write( "sin( -5&#960;/12)\r<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 #853712 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13295)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=853712\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "(1) using an angle addition formula....<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5pi%2F12=%28-3pi%2F12%29%2B%28-2pi%2F12%29=%28-pi%2F4%29%2B%28-pi%2F6%29 ALIGN=MIDDLE  ALT=\"-5pi%2F12=%28-3pi%2F12%29%2B%28-2pi%2F12%29=%28-pi%2F4%29%2B%28-pi%2F6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Use <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28A%2BB%29=sin%28A%29cos%28B%29%2Bcos%28A%29sin%28B%29 ALIGN=MIDDLE  ALT=\"sin%28A%2BB%29=sin%28A%29cos%28B%29%2Bcos%28A%29sin%28B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > with <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=-pi%2F4 ALIGN=MIDDLE  ALT=\"A=-pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=-pi%2F6 ALIGN=MIDDLE  ALT=\"B=-pi%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28-5pi%2F12%29=sin%28-pi%2F4%29cos%28-pi%2F6%29%2Bcos%28pi%2F4%29sin%28-pi%2F6%29 ALIGN=MIDDLE  ALT=\"sin%28-5pi%2F12%29=sin%28-pi%2F4%29cos%28-pi%2F6%29%2Bcos%28pi%2F4%29sin%28-pi%2F6%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%28-5pi%2F12%29=%28-sqrt%282%29%2F2%29%28sqrt%283%29%2F2%29%2B%28sqrt%282%29%2F2%29%28-1%2F2%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28-5pi%2F12%29=-sqrt%286%29%2F4-sqrt%282%29%2F4%29 ALIGN=MIDDLE  ALT=\"sin%28-5pi%2F12%29=-sqrt%286%29%2F4-sqrt%282%29%2F4%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%28-5pi%2F12%29=%28-sqrt%286%29-sqrt%282%29%29%2F4 ALIGN=MIDDLE  ALT=\"sin%28-5pi%2F12%29=%28-sqrt%286%29-sqrt%282%29%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "OR...<br><BR>\n" );
document.write( "(2) using an angle subtraction formula...<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5pi%2F12=%283pi%2F12%29-%288pi%2F12%29=%28pi%2F4%29-%282pi%2F3%29 ALIGN=MIDDLE  ALT=\"-5pi%2F12=%283pi%2F12%29-%288pi%2F12%29=%28pi%2F4%29-%282pi%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Use <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28A-B%29=sin%28A%29cos%28B%29-cos%28A%29sin%28B%29 ALIGN=MIDDLE  ALT=\"sin%28A-B%29=sin%28A%29cos%28B%29-cos%28A%29sin%28B%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > with <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=pi%2F4 ALIGN=MIDDLE  ALT=\"A=pi%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=2pi%2F3 ALIGN=MIDDLE  ALT=\"B=2pi%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28-5pi%2F12%29=sin%28pi%2F4%29cos%282pi%2F3%29-cos%28pi%2F4%29sin%282pi%2F3%29 ALIGN=MIDDLE  ALT=\"sin%28-5pi%2F12%29=sin%28pi%2F4%29cos%282pi%2F3%29-cos%28pi%2F4%29sin%282pi%2F3%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%28-5pi%2F12%29=%28sqrt%282%29%2F2%29%28-1%2F2%29-%28sqrt%282%29%2F2%29%28sqrt%283%29%2F2%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28-5pi%2F12%29=-sqrt%282%29%2F4-sqrt%286%29%2F4 ALIGN=MIDDLE  ALT=\"sin%28-5pi%2F12%29=-sqrt%282%29%2F4-sqrt%286%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28-5pi%2F12%29=%28-sqrt%282%29-sqrt%286%29%29%2F4 ALIGN=MIDDLE  ALT=\"sin%28-5pi%2F12%29=%28-sqrt%282%29-sqrt%286%29%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "ANSWER: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28-5pi%2F12%29=%28-sqrt%286%29-sqrt%282%29%29%2F4 ALIGN=MIDDLE  ALT=\"sin%28-5pi%2F12%29=%28-sqrt%286%29-sqrt%282%29%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br>\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );