document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=535149>Question 535149</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How can you solve to verify this identity:<BR>\n" );
document.write( "4cot^2y(sec^2y-1)=1 </SPAN>\n" );
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