sethamus8597 sethamus8597
  • 14-05-2023
  • Mathematics
contestada

find the area of the surface obtained by rotating the curve of parametric equations x=20cos3θ,y=20sin3θ,0≤θ≤π/2 x=20cos3θ,y=20sin3θ,0≤θ≤π/2 about the y axis.

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