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Prove That:- 2sec^2 A-sec^4 A-2cosec^2 A+cosec^4 A = cot^4 A-tan^4 A |
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Answer» Prove That:- 2sec^2 A-sec^4 A-2cosec^2 A+cosec^4 A = cot^4 A-tan^4 A |
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