document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=863563>Question 863563</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use a half angle identity to find the exact value of sin(pi/12)\r<BR>\n" );
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document.write( "Show work please! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #520550 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=520550\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Use a half angle identity to find the exact value of sin(pi/12) <BR>\n" );
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document.write( "Formula: sin(x/2) = sqrt[(1-cos(x))/2]<BR>\n" );
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document.write( "sin(pi/12) = sqrt[(1-cos(pi/6))/2]<BR>\n" );
document.write( "= sqrt[(1-sqrt(3)/2))/2]<BR>\n" );
document.write( "= sqrt[(2-sqrt(3))/4]<BR>\n" );
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document.write( "= (1/2)sqrt(2-sqrt(3))<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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