document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=823962>Question 823962</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Name all values of &#952; for which y=sec&#952; is undefined. Give the answer in radians.<BR>\n" );
document.write( "I read my textbook and I started the problem with sec&#952;= 1/cos&#952;. I'm not sure what it means when it is \"undefined\". Does that mean it equals zero? My textbook doesn't really explain this problem that well.<BR>\n" );
document.write( "Thanks for your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #495975 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=495975\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Name all values of &#952; for which y=sec&#952; is undefined. Give the answer in radians.<BR>\n" );
document.write( "I read my textbook and I started the problem with sec&#952;= 1/cos&#952;. I'm not sure what it means when it is \"undefined\". Does that mean it equals zero? My textbook doesn't really explain this problem that well.<BR>\n" );
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document.write( "Undefined usually means a division by zero.<BR>\n" );
document.write( "1/0 is undefined, sometimes called infinite.<BR>\n" );
document.write( "x/0 is undefined.<BR>\n" );
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document.write( "sec is undefined when cos = 0.<BR>\n" );
document.write( "cos(t) = 0 --> t = pi/2 + n*pi, n = +/- 0,1,2,3...<BR>\n" );
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