(cos x / sec x - 1) - (cos x / tan^2 x) = cot^2 x

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▸ ▸ ▸ » (cos x / sec x - 1) - (cos x / tan^2 x) = cot^2 x

b-angel Posts: 1, Reputation: 1

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Oct 28, 2012, 04:13 PM

(cos x / sec x - 1) - (cos x / tan^2 x) = cot^2 x

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