document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=365339>Question 365339</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a homework problem for trigonometry that is stumping me. it is to verify the identity:\r<BR>\n" );
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document.write( "cot^2x-cos^2x= cot^2xcos^2x. \r<BR>\n" );
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document.write( "I have to make both sides of the equation equal. I have tried using identities such as cot^2x=csc^2x-1, but nothing seems to be working. Thanks for your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #260445 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=260445\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cot^2x-cos^2x= cot^2xcos^2x<BR>\n" );
document.write( "Change to sines and cosines<BR>\n" );
document.write( "(cos^2/sin^2) - cos^2 = (cos^2/sin^2)*cos^2<BR>\n" );
document.write( "Divide by cos^2<BR>\n" );
document.write( "(1/sin^2) - 1 = cos^2/sin^2<BR>\n" );
document.write( "Multiply by sin^2<BR>\n" );
document.write( "1 - sin^2 = cos^2\r<BR>\n" );
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