document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1033607>Question 1033607</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve tan(x)cos(x)-cos(x)=0 for principal values of x. Express solutions in degrees </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #648361 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=648361\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve tan(x)cos(x)-cos(x)=0 for principal values of x.<BR>\n" );
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document.write( "tan(x)cos(x)-cos(x) = 0<BR>\n" );
document.write( "cos*(tan - 1) = 0<BR>\n" );
document.write( "cos = 0<BR>\n" );
document.write( "x = 90 degs<BR>\n" );
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document.write( "tan - 1 = 0<BR>\n" );
document.write( "tan = 1<BR>\n" );
document.write( "tan = 45 degs<BR>\n" );
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document.write( "The x = 90 degs solution is not allowed, tan(90) is undefined.\r<BR>\n" );
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