document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=965606>Question 965606</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Evaluate: sec^2 (-(13&#960;/6)) - csc^2 5&#960;/4\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #590228 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=590228\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Evaluate: sec^2 (-13(pi/6)) - csc^2 5pi/4<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=csc%5E2+%285pi%2F4%29=1%2Fsin%5E2%285pi%2F4%29=1%2Fsin%5E2%28pi%2F4%29=1%2F%28sqrt%282%29%2F2%29%5E2=1%2F%281%2F2%29=2 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sec%5E2+%28-%2813pi%2F6%29%29=1%2Fcos%5E2+%28-%2813pi%2F6%29%29=1%2Fcos%5E2%28-pi%2F6%29=1%2F%28sqrt%283%29%2F2%29%5E2=1%2F%283%2F4%29=4%2F3 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sec%5E2+%28-13pi%2F6%29+-+csc%5E2+%285pi%2F4%29=%284%2F3%29-2=8%2F6-12%2F6=-4%2F6=-2%2F3 ALIGN=MIDDLE  ALT=\"sec%5E2+%28-13pi%2F6%29+-+csc%5E2+%285pi%2F4%29=%284%2F3%29-2=8%2F6-12%2F6=-4%2F6=-2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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