Find the volume of the following solids. The base of a solid is the region between the curve y = 20√sin x and the interval [0,л] on the x-axis. The cross-sections perpendicular to the x-axis are a. equilateral triangles with bases running from the x-axis to the curve as shown in the figure. b. squares with bases running from the x-axis to the curve. y=20√ sin x

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