document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=416006>Question 416006</A>: <I><SPAN STYLE=\"word-break: break-all;\"> cot^2y(sec^2y-1)=1 </SPAN>\n" );
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document.write( "cot^2y(sec^2y-1)=1\r<BR>\n" );
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document.write( ".use identites cot^2y = 1/tan^2y and  sec^2y-1 = tan^2y\r<BR>\n" );
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document.write( "cot^2y(sec^2y-1) = (1/tan^2y)(tan^2y) <--The tan^2y cancels out\r<BR>\n" );
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document.write( "cot^2y(sec^2y-1)= 1 </SPAN>\n" );
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