document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1197233>Question 1197233</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the value of sin (arc cos 1/2 + arc tan 1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #830417 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=830417\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> acos(1/2) = 60 degrees<BR>\n" );
document.write( "atan(1) = 45 degrees.<BR>\n" );
document.write( "sin(60 + 45) = sin(105) = .9659258263<BR>\n" );
document.write( "if you let a = 60 and b = 45, you get:<BR>\n" );
document.write( "sin(a+b) = sin(a)cos(b) + cos(a)sin(b) = sin(60)cos(45) + cos(60)sin(45) = sqrt(3)/2 * sqrt(2)/2 + 1/2 * sqrt(2)/2 = sqrt(3)*sqrt(2)/4 + sqrt(2)/4 = (sqrt(6)+sqrt(2))/4 = .9659258263.<BR>\n" );
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