document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=801493>Question 801493</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use an identity to find the exact value of the expression sin(pi/4 + pi/6) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #483570 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=483570\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use an identity to find the exact value of the expression sin(pi/4 + pi/6)<BR>\n" );
document.write( "Identity:sin(s+t)=sin s cost+cos s sin t<BR>\n" );
document.write( "sin(&#960;/4+&#960;/6)<BR>\n" );
document.write( "=sin(&#960;/4)cos(&#960;/6)+cos(&#960;/4)sin(&#960;/6)<BR>\n" );
document.write( "=(&#8730;2/2*&#8730;3/2)+(&#8730;2/2*1/2)<BR>\n" );
document.write( "=&#8730;6/4+&#8730;2/4<BR>\n" );
document.write( "=(&#8730;6+&#8730;2)/4<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "sin(&#960;/4+&#960;/6)=sin(5&#960;/12)&#8776;0.9659<BR>\n" );
document.write( "exact value=(&#8730;6+&#8730;2)/4&#8776;0.9659 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );