document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=659673>Question 659673</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I verify the identity of <BR>\n" );
document.write( "cscx-sinx = (cosx)(cotx) </SPAN>\n" );
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document.write( "cscx-sinx = (cosx)(cotx)<BR>\n" );
document.write( "start with left side:<BR>\n" );
document.write( "cscx-sinx<BR>\n" );
document.write( "=(1/sinx)-sinx<BR>\n" );
document.write( "=(1-sin^2x)/sinx<BR>\n" );
document.write( "=cos^2x/sinx<BR>\n" );
document.write( "=cosx(cosx/sinx)<BR>\n" );
document.write( "=(cosx)(cotx)<BR>\n" );
document.write( "verified: left side=right side<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );