document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=132370>Question 132370</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello. I really do appreciate what you do here, and this is definately one quesion that i will ever bothr you with.\r<BR>\n" );
document.write( "\n" );
document.write( "Would you be able to simplify \r<BR>\n" );
document.write( "\n" );
document.write( "arccos(sin(5pi/4))<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #96750 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=96750\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> arccos(sin(5pi/4))<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "You want the cosine of the angel whose sine is (5/4)pi.<BR>\n" );
document.write( "sin[(5/4)pi) = -sin[(1/4)pi] = -(1/2)sqrt2<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "The cosine of[(-1/2)sqrt(2)] = 0.7602 radians<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );