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express cot^2 x -1/ csc^2x in terms of sin x?

2007-08-04 14:26:33 · 1 answers · asked by maya 1 in Science & Mathematics ➔ Mathematics

1 answers

cot^2 x -1/ csc^2x
= [cos^2 x/sin^2 x -1] *sin^2 x
= cos^2 x - sin^2x
= 1- 2sin^2x

2007-08-04 14:35:02 · answer #1 · answered by ironduke8159 7 · 0⤊ 0⤋

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