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 #96748 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=96748\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the angle whose cosine is the sine of 5pi/4\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "5pi/4 is a 45° angle in quadrant III __ the sine and cosine are equal\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "so, arccos(sin(5pi/4))=5pi/4<BR>\n" );
document.write( "__ the smallest angle to satisfy the conditions is 3pi/4 in quadrant II\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "some people might call this a \"trick\" question </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );