document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=468817>Question 468817</A>: <I><SPAN STYLE=\"word-break: break-all;\"> cotA+cotB/tanA+tanB=cotB/tanA </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #321649 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=321649\">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=%28cotA%2BcotB%29%2F%28tanA%2BtanB%29=cotB%2FtanA ALIGN=MIDDLE  ALT=\"%28cotA%2BcotB%29%2F%28tanA%2BtanB%29=cotB%2FtanA\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Let work with the left side of the identity<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cotA%2BcotB%29%2F%28tanA%2BtanB%29=%28cosA%2FsinA%2BcosB%2FsinB%29%2F%28sinA%2FcosA%2BsinB%2FcosB%29=%28%28cosA%2AsinB%2BcosB%2AsinA%29%2F%28sinA%2AsinB%29%29%2F%28%28sinA%2AcosB%2BsinB%2AcosA%29%2F%28cosA%2AcosB%29%29=%28cross%28%28cosA%2AsinB%2BcosB%2AsinA%29%29cosA%2AcosB%29%2F%28sinA%2AsinB%2Across%28%28cosA%2AsinB%2BcosB%2AsinA%29%29%29=%28cosA%2FsinA%29%2A%28cosB%2FsinB%29=cotA%2AcotB=cotB%2A%281%2FtanA%29=cotB%2FtanA ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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