document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1158089>Question 1158089</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find exact value of cos pi/12 by using a sum or difference formula<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 #781023 by </B><A HREF=/tutors/aboutme.mpl?userid=Shin123><B>Shin123(626)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Shin123><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=Shin123><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=781023\">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%28pi%2F12%29=cos%284pi%2F12-3pi%2F12%29=cos%28pi%2F3-pi%2F4%29=cos%28pi%2F3%29cos%28pi%2F4%29%2Bsin%28pi%2F3%29sin%28pi%2F4%29=%281%2F2%29%2A%28sqrt%282%29%2F2%29%2B%28sqrt%283%29%2F2%29%2A%28sqrt%282%29%2F2%29=highlight%28%28sqrt%286%29%2Bsqrt%282%29%29%2F4%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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