# Answer to Question #3041 in Calculus for Keira Tachibana

Question #3041

Let R be the region in the first quadrant below the graph of y = cosx and above the graph of y = 2x.

a) Find the area of R.

b) Find the volume of the solid formed when R is revolved around the x-axis.

c) Find the volume of the solid formed when R is revolved around the line x = -1.

a) Find the area of R.

b) Find the volume of the solid formed when R is revolved around the x-axis.

c) Find the volume of the solid formed when R is revolved around the line x = -1.

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