document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=716275>Question 716275</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do i prove that  cotx / cscx - 1   =   cscx + 1 / cotx  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #439810 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=439810\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how do i prove that  cotx / cscx - 1   =   cscx + 1 / cotx <BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Is it cotx / (cscx - 1)   =   (cscx + 1) / cotx  ?<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "cot^2 = csc^2 - 1<BR>\n" );
document.write( "Multiply thru by sin^2<BR>\n" );
document.write( "cos^2 = 1 - sin^2<BR>\n" );
document.write( "I'm convinced.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );