document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=978114>Question 978114</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello!\r<BR>\n" );
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document.write( "What is the period of y=tan x  ?\r<BR>\n" );
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document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #599615 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=599615\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It is pi radians.<BR>\n" );
document.write( "tan x= tan (x+pi)<BR>\n" );
document.write( "It has to do with the sin/cos, which in the first quadrant both are positive but in the third, both are negative, so that allows a shorter periodicity.<BR>\n" );
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