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Prove that :cot^2 x . (sec x - 1)/(1 + sin x) + sec^2 x . (sin x -1)/(1 + sec x) = 0 |
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Answer» Prove that : cot^2 x . (sec x - 1)/(1 + sin x) + sec^2 x . (sin x -1)/(1 + sec x) = 0 |
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