Chapter 12.17, Problem 3P

From Problems 13.3 and 13.5, $Y_{1/2}(x)=-\sqrt{2/\pi x}$ cos x. As in Problem 2, obtain $Y_{3/2}$ and $Y_{5/2}$ and verify the formulas (17.4) for $y_0,y_1,$ and $y_2$ in terms of $\sin x$ and $\cos x$.