document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=256805>Question 256805</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For which value is  f (x) undefined: f(x)= cosx/1-cos2x  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #188846 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=188846\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  For which value is f (x) undefined: f(x)= cosx/1-cos2x <BR>\n" );
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document.write( "Undefined when the denominator is zero.<BR>\n" );
document.write( "Solve 1-cos(2x) = 0<BR>\n" );
document.write( "cos(2x) = 1<BR>\n" );
document.write( "2x = 0 or pi<BR>\n" );
document.write( "x = 0 or pi/2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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