Question: 5. (20 points 4 pages max) Consider the function in polar coordinates u(r, 0 ) : = sin 0 + 2773 27 728 r3728 sin

5. (20 points 4 pages max) Consider the function in polar coordinates u(r, 0 ) : = sin 0 + 2773 27 728 r3728 sin 30. (a) Express u(r, 0) as a sum of rational polynomials in terms of the Euclidean variables x and y

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