Question: If u = sin 2x cosh 2y + cos2x (a) tanz+c what is f(z) (b) cotz+c (c) cos z + c (d) iz+c

If u = sin 2x cosh 2y + cos2x (a) tanz+c what

If u = sin 2x cosh 2y + cos2x (a) tanz+c what is f(z) (b) cotz+c (c) cos z + c (d) iz+c

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