document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=923217>Question 923217</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the half angle formulas to find exact value:\r<BR>\n" );
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document.write( "SIN 210 degrees\r<BR>\n" );
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document.write( "COS 60 degrees </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #559999 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=559999\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the half angle formulas to find exact value:<BR>\n" );
document.write( "SIN 210 degrees<BR>\n" );
document.write( "COS 60 degrees<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28x%2F2%29=sqrt%28%281-cosx%29%2F2%29 ALIGN=MIDDLE  ALT=\"sin%28x%2F2%29=sqrt%28%281-cosx%29%2F2%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%28210%29=sin%28420%2F2%29%0D%0A=-sqrt%28%281-cos420%29%2F2%29%0D%0A=-sqrt%28%281-0.5%29%2F2%29=-sqrt%28%280.5%29%2F2%29=-sqrt%280.25%29=-0.5 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "..<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28x%2F2%29=sqrt%28%281%2Bcosx%29%2F2%29 ALIGN=MIDDLE  ALT=\"cos%28x%2F2%29=sqrt%28%281%2Bcosx%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%2860%29=cos%28120%2F2%29%0D%0A=sqrt%28%281%2Bcos120%29%2F2%29%0D%0A=sqrt%28%281-0.5%29%2F2%29=sqrt%28%280.5%29%2F2%29=sqrt%280.25%29=0.5 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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