document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=22306>Question 22306</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the difference between a trig equation that is an identity and a trig equations tha tis not an identity? Provide an example to clarify. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #10829 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=10829\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A trig identity is true for all values of x,<BR>\n" );
document.write( "e.g.  sin x = 1/ csc x\r<BR>\n" );
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document.write( "A trig equation that is not an identity is true <BR>\n" );
document.write( "only for certain values of x\r<BR>\n" );
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document.write( "e.g.  sin x = 1/2  for x = pi/6 +- 2kpi or x = 5pi/6 +- 2kpi, where k=0,1,2,...    That's a lot of values but it is not \"all possible values\".\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
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