document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136463>Question 136463</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1 + cos x/sin x = cot x/2\r<BR>\n" );
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document.write( "can you please help me  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100220 by </B><A HREF=/tutors/aboutme.mpl?userid=heraklea><B>heraklea(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=heraklea><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=100220\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1+(cosx)/(sinx)=ctg(x/2) <BR>\n" );
document.write( "1+cos((2*(x/2))/sin((2*(x/2))=(cos(x/2))/((sin(x/2))<BR>\n" );
document.write( "1+(((cos(x/2))*2-((sin(x/2))*2)/(2*sin(x/2)*cos(x/2))=(cos(x/2))/(sin(x/2))<BR>\n" );
document.write( "x=pi/2\r<BR>\n" );
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