Question: Find f(z) = u(x, y) + iv(x, y) with u or v as given. Check by the CauchyRiemann equations for analyticity. v = cos 2x

Find f(z) = u(x, y) + iv(x, y) with u or v as given. Check by the Cauchy–Riemann equations for analyticity.

v = cos 2x sinh 2y

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