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The base of a solid is the region in the first quadrant bounded by the graph...

The base of a solid is the region in the first quadrant bounded by the graph of y=cos x, and the x- and y-axes. For the solid, each cross-section perpendicular to the x-axis is an equilateral triangle. What is the volume of the solid?

A- 0.785

B-0.433

C -1.000

D- 0.340

Math   Calculus   
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