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Maths C4 Integration question

Hi, got stuck on this question:
A curve has the parametric equations x=sint y=sin2t 0≤t≤π/2
a) find the area of the region bounded by the curve and the x axis

b) This region is rotated about the x axis by 2π radians find the volume of the solid formed

Thanks :smile:
Original post by abimoon
Hi, got stuck on this question:
A curve has the parametric equations x=sint y=sin2t 0≤t≤π/2
a) find the area of the region bounded by the curve and the x axis

b) This region is rotated about the x axis by 2π radians find the volume of the solid formed

Thanks :smile:


Area = int(ydx) = int (y dx/dt dt)

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