document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=759975>Question 759975</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Show that (1+cot^3(&#952;))/(1+cot(&#952;))=cos^2(&#952;)-cot(&#952;) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #462354 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=462354\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Show that (1+cot^3(x))/(1+cot(x))=cos^2(x)-cot(x)<BR>\n" );
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document.write( "use sum of cubes: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E3%2By%5E3=%28x%2By%29%28x%5E2-xy%2By%5E2%29 ALIGN=MIDDLE  ALT=\"x%5E3%2By%5E3=%28x%2By%29%28x%5E2-xy%2By%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2Bcot%5E3%28x%29%29%2F%281%2Bcot%28x%29%29=%281%2Bcot%28x%29%29%281-cot%28x%29%2Bcot%5E2%28x%29%29%2F%281%2Bcot%28x%29%29%0D%0A=cot%5E2%28x%29%2B1-cot%28x%29=csc%5E2%28x%29-cot%28x%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Is it possible there is a typo error wherein cos^2(x) should have been csc^2(x) in the original posting? Otherwise, I'm not able to find the solution. </SPAN>\n" );
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