document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=401040>Question 401040</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Vertify the identity <BR>\n" );
document.write( "cosx(cosx+cotx)=(cotx.cosx)(sinx+1)\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #283787 by </B><A HREF=/tutors/aboutme.mpl?userid=Tatiana_Stebko><B>Tatiana_Stebko(1539)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Tatiana_Stebko><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=Tatiana_Stebko><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=283787\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cosx%28cosx%2Bcotx%29=cotx%2Acosx%2A%28sinx%2B1%29 ALIGN=MIDDLE  ALT=\"cosx%28cosx%2Bcotx%29=cotx%2Acosx%2A%28sinx%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Let work with left side of identity <BR>\n" );
document.write( "Formula: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cotx=cosx%2Fsinx ALIGN=MIDDLE  ALT=\"cotx=cosx%2Fsinx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cosx%28cosx%2Bcosx%2Fsinx%29=cosx%2Acosx%2A%281%2B1%2Fsinx%29=cosx%2Acosx%2A%28sinx%2Fsinx%2B1%2Fsinx%29=cosx%2Acosx%2A%28%28sinx%2B1%29%2Fsinx%29=cosx%2Acosx%2A%281%2Fsinx%29%2A%28sinx%2B1%29=cosx%2A%28cosx%2Fsinx%29%2A%28sinx%2B1%29=cosx%2Acotx%2A%28sinx%2B1%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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