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(1+cotA−cscA)(1+tanA+secA)\large (1 + \cot A - \csc A )(1 + \tan A + \sec A ) (1+cotA−cscA)(1+tanA+secA)
If AAA can be any angle such that sinAcosA≠0\sin A \cos A \ne 0 sinAcosA=0, simplify the trigonometric expression above.
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