Answer
$\frac{3}{2}$
Work Step by Step
$\int^{2}_{-1}$ $\int^{\frac{\pi}{2}}_{0}$ y sinx dx dy =$\int^{2}_{-1}$ $[-ycosx]^{\frac{\pi}{2}}_{0}$ dy=$\int^{2}_{-1}$ ydy =$[\frac{1}{2}y^2]_{-1}^2 =\frac{3}{2}$
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