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Academics – Mathematics : 2023/MAR/08
Question

Q8 (a) The shape of an inflatable polyurethane marker buoy may be represented by the rotation of the shaded area in Fig 08(a). about the x axis. through one complete revolution.

Determine, using integral calculus. the volume of the buoy, given that the unit of length is the metre.

(b) Evaluate ∫0π cos θ tanθ dθ.

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