Answer: In 14 and 15, solve the given Dirichlet problem for the unit disk using the
Chapter 20, Problem 15(choose chapter or problem)
In Problems 14 and 15, solve the given Dirichlet problem for the unit disk using the Fourier series form of the Poisson integral formula, and sketch the system of level curves.
\(u\left(e^{i \theta}\right)=\sin \theta+\cos \theta)
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