document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=862520>Question 862520</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How would I use a half-angle identity to find the exact value of sin 75 degrees? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #519688 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=519688\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How would I use a half-angle identity to find the exact value of sin 75 degrees?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2875%29=sin%28150%2F2%29=sqrt%28%281cos%28150%29%29%2F2%29=sqrt%28%281%2Bsqrt%283%29%2F2%29%2F2%29=sqrt%28%282%2Bsqrt%283%29%29%2F4%29=sqrt%282%2Bsqrt%283%29%29%2F2 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "calculator check:<BR>\n" );
document.write( "sin75&#8776;0.9659…<BR>\n" );
document.write( "Exact value=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt%282%2Bsqrt%283%29%29%2F2 ALIGN=MIDDLE  ALT=\"sqrt%282%2Bsqrt%283%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >&#8776;0.9659… </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );