document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1092730>Question 1092730</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to evaluate the (1) sine, (2) cosine, and/or (3) tangent of the angle without using a calculator.  I also need to give an EXACT answer.  \r<BR>\n" );
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document.write( "tan pi/2\r<BR>\n" );
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document.write( "pi/2 is a \"special angle\" and I need to use trig properties to find the tangent but I am stuck on this one for some reason.  Thanks.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #707330 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=707330\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For <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;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90 ALIGN=MIDDLE  ALT=\"90\"   DISABLED_style= \"max-width:90%; height:auto;\" > degrees, <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28pi%2F2%29=0 ALIGN=MIDDLE  ALT=\"cos%28pi%2F2%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28pi%2F2%29=1 ALIGN=MIDDLE  ALT=\"sin%28pi%2F2%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So then <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28pi%2F2%29=sin%28pi%2F2%29%2Fcos%28pi%2F2%29 ALIGN=MIDDLE  ALT=\"tan%28pi%2F2%29=sin%28pi%2F2%29%2Fcos%28pi%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28pi%2F2%29=1%2F0 ALIGN=MIDDLE  ALT=\"tan%28pi%2F2%29=1%2F0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28pi%2F2%29 ALIGN=MIDDLE  ALT=\"tan%28pi%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is undefined.\r<BR>\n" );
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