document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=467680>Question 467680</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (cot)/(csc-1)=(csc+1)/(cot)\r<BR>\n" );
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document.write( "please prove this for me :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #320918 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=320918\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (cot)/(csc-1)=(csc+1)/(cot)<BR>\n" );
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document.write( "Change all to sines and cosines<BR>\n" );
document.write( "(cos/sin)/(1/sin - 1) = (1/sin + 1)/(cos/sin)<BR>\n" );
document.write( "(cos/sin)/((1 - sin)/sin) = ((1 + sin)/sin)/(cos/sin)<BR>\n" );
document.write( "cos/(1-sin) = (1 + sin)/cos<BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "cos^2 = 1 - sin^2  Pythagorean identity<BR>\n" );
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document.write( "Always change to sines and cosines, unless you're familiar with other identities.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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