question archive a) (sin 2A + cos 2A - 1)/(sin 2A + cos 2A + 1) = (1 - tan A)/(1 + cot A)

a) (sin 2A + cos 2A - 1)/(sin 2A + cos 2A + 1) = (1 - tan A)/(1 + cot A)

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a) (sin 2A + cos 2A - 1)/(sin 2A + cos 2A + 1) = (1 - tan A)/(1 + cot A)

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