document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1040603>Question 1040603</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following functions is shown in the graph linked below?\r<BR>\n" );
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document.write( "Graph: https://i.imgsafe.org/2ad1bf3125.png\r<BR>\n" );
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document.write( "A) y = 2 tan &#920;<BR>\n" );
document.write( "B) y = 2 cot &#920;<BR>\n" );
document.write( "C) y = 2 cot (&#920;/2)<BR>\n" );
document.write( "D) y = 2 tan (&#920;/2)\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #655448 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=655448\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At pi/2, the value is 2. It increases to infinity on the positive side of pi.<BR>\n" );
document.write( "This period is halved.  At pi/4, the tangent is 1, and goes to infinity on the positive side of pi.<BR>\n" );
document.write( "Therefore, this is 2 tan (theta/2), or D.<BR>\n" );
document.write( "Cotangent is 0 at pi/2, so those are excluded.<BR>\n" );
document.write( "Tangent is not positive between pi/2 and pi, so the period has to be lengthened for this to take place. </SPAN>\n" );
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