document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=976329>Question 976329</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use a cofunction to write an expression equal to \r<BR>\n" );
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document.write( "Sec 2pi<BR>\n" );
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document.write( "        9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #597933 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=597933\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use a cofunction to write an expression equal to <BR>\n" );
document.write( "Sec 2pi<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "9\r<BR>\n" );
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document.write( "------------<BR>\n" );
document.write( "sec[(2/9)pi] = csc[pi/2 - (2/9)pi] = csc[(9-4)pi/9] = csc[(5/9)pi]<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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