document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=138704>Question 138704</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the exact value of each function.<BR>\n" );
document.write( "1. Cos 7pi/4<BR>\n" );
document.write( "2. Sin (-30')<BR>\n" );
document.write( "Find the reference angle for the angle with the given measure<BR>\n" );
document.write( "1. 13pi/8<BR>\n" );
document.write( "2. -7pi/4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #101217 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=101217\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the exact value of each function.<BR>\n" );
document.write( "1. Cos 7pi/4 = cos (-1/4 pi) = cos (1/4 pi) = (sqrt(2))/2<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "2. Sin (-30') = -sin30 = -1/2<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "Find the reference angle for the angle with the given measure<BR>\n" );
document.write( "1. 13pi/8: ref. angle= (3/8)pi<BR>\n" );
document.write( "--------------\r<BR>\n" );
document.write( "\n" );
document.write( "2. -7pi/4; ref. angle = (1/4)pi<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );