document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1138166>Question 1138166</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the exact value of sin 75 degrees.<BR>\n" );
document.write( "Make sure to show work. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #756024 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=756024\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sin (a+b)=sinacosb+cosa*sinb<BR>\n" );
document.write( "sin (45+30)=sin(75)<BR>\n" );
document.write( "sin 45= sqrt(2)/2=cos 45<BR>\n" );
document.write( "sin 3=1/2<BR>\n" );
document.write( "cos30=sqrt(3)/2<BR>\n" );
document.write( "sin 75=sqrt(2)/2 * sqrt(3)/2+ sqrt(2)/2*(1/2)=(1/4)*sqrt(6)+(1/4)sqrt(2)<BR>\n" );
document.write( "=(1/4)(sqrt(6)+sqrt(2)) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );