document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205877>Question 1205877</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Why does the graph of the secant function have breaks in it?\r<BR>\n" );
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document.write( "A. Because the secant function is undefined at 𝝿.<BR>\n" );
document.write( "B. Because the secant function is undefined at 𝝿 and - 𝝿.<BR>\n" );
document.write( "C. Because the secant function is undefined at 0.<BR>\n" );
document.write( "D. Because the secant function is undefined at 90° and -90°<BR>\n" );
document.write( "E. Because the secant function has to reach infinity, which doesn't really exist.<BR>\n" );
document.write( "F. Because the secant function has to have a break in it to be a function. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #842950 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=842950\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "The secant function was defined by the reciprocal identity\r<BR>\n" );
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document.write( "sec(x)=1/cos(x)\r<BR>\n" );
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document.write( "the secant function is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=undefined ALIGN=MIDDLE  ALT=\"undefined\"   DISABLED_style= \"max-width:90%; height:auto;\" > when the cosine is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+0 ALIGN=MIDDLE  ALT=\"+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, leading to vertical asymptotes at  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2F2 ALIGN=MIDDLE  ALT=\"pi%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3pi%2F2 ALIGN=MIDDLE  ALT=\"+3pi%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, etc\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2F2+=+90 ALIGN=MIDDLE  ALT=\"pi%2F2+=+90\"   DISABLED_style= \"max-width:90%; height:auto;\" >°<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3pi%2F2=-90 ALIGN=MIDDLE  ALT=\"+3pi%2F2=-90\"   DISABLED_style= \"max-width:90%; height:auto;\" >°\r<BR>\n" );
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document.write( "answer:<BR>\n" );
document.write( "D. Because the secant function is undefined at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90 ALIGN=MIDDLE  ALT=\"90\"   DISABLED_style= \"max-width:90%; height:auto;\" >° and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-90 ALIGN=MIDDLE  ALT=\"-90\"   DISABLED_style= \"max-width:90%; height:auto;\" >°\r<BR>\n" );
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document.write( " </SPAN>\n" );
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