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If x = 18cos^3θ and

  1. If x = 18cos^3θ and y = 18sin^3θ, find the total length of the curve swept out by the point (x,y) as θ ranges from 0 to 2π.
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    2. Sam asked by Sam
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  2. The height h, in metres, above the ground of a car as a ferris wheel rotates can be modelled by the function h(t) =
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    2. Shreya asked by Shreya
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