document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=933006>Question 933006</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help using the unit circle. The question is find the exact value of sec 19pi/4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #566515 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=566515\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> May subtract multiples of 2pi for the desire value<BR>\n" );
document.write( "4pi = 16pi/4  Re TY: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16pi%2F4++=+%2816%2F4%29pi+=+4pi ALIGN=MIDDLE  ALT=\"16pi%2F4++=+%2816%2F4%29pi+=+4pi\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "sec(19pi/4 - 16pi/4) = sec(3pi/4) = -2/&#8730;2  = -&#8730;2/2<BR>\n" );
document.write( "............<BR>\n" );
document.write( "(cosx, sinx) Summary Unit Circle<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/display-illustration.mpl?tutor=ewatrrr&illustration_name=wheel_smaller.jpg\">.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );