document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=829188>Question 829188</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I could use some help with this question. I am prepping for my ACTs, but have really struggled with this question. I think just having the whole process of how to get the right answer would help.\r<BR>\n" );
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document.write( "I am given this expression: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+cot%5E2%28x%29-cot%5E2%28x%29%2Acos%5E2%28x%29+ ALIGN=MIDDLE  ALT=\"+cot%5E2%28x%29-cot%5E2%28x%29%2Acos%5E2%28x%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "I am told to first factor, then use the fundamental identities to determine which of the following values our expression is NOT equivalent to.<BR>\n" );
document.write( "sin^2((pi/2)-a)<BR>\n" );
document.write( "tan^(2)a<BR>\n" );
document.write( "cos^(2)a<BR>\n" );
document.write( "1/sec^(2)a<BR>\n" );
document.write( "1-sin^(2)a </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #499696 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=499696\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cot^2(x)-cot^2(x)*cos^2(x) <BR>\n" );
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document.write( "Factor out the cot^2(x) to get:<BR>\n" );
document.write( "= cot^2(x)[1 - cos^2(x)]<BR>\n" );
document.write( "= [cos^2(x)/sin^2(x)][sin^2(x)]<BR>\n" );
document.write( "= cos^2(x)<BR>\n" );
document.write( "====================\r<BR>\n" );
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document.write( "I am told to first factor, then use the fundamental identities to determine which of the following values our expression is NOT equivalent to.<BR>\n" );
document.write( "sin^2((pi/2)-x):::: yes<BR>\n" );
document.write( "tan^(2)a::: not<BR>\n" );
document.write( "cos^(2)x::: yes<BR>\n" );
document.write( "1/sec^(2)x::: yes<BR>\n" );
document.write( "1-sin^(2)x::: yes<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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