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posted by Bud on Saturday, March 3, 2012 at 5:40pm.

prove (cscx-secx/cscx+secx)=(cotx-1/cotx+1)

cscx-secx/cscx+secx = cos/cos * cscx-secx/cscx+secx = (cos*csc - 1)/(cos*csc + 1) = (cot-1)/(cot+1)

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