Question 934207
[(csc x+1)(csc x-1)] / cot^2 x = ?
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(csc^2(x)-1)/cot^2(x) = x
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Since csc^2(x) -1 = cot^2(x),
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cot^2(x)/cos^2(x) = 1
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Cheers,
Stan H.
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