2013 VJC P1 Q10

2013 VJC P1 Q10

7 marks
Prelims
  1. The curve \(C\) has parametric equations
    \(x=\sqrt{3}\cos t\), \(y=3\sin t\), for \(-\frac{\pi }{2}\le t\le \frac{\pi }{2}.\)
    1. Sketch \(C\), indicating clearly the exact coordinates of the axial intercepts.[2]
    2. Find the exact value of the area of the region bounded by \(C\) and the \(y\)–axis.[5]

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Answer:(i) Sketch; (ii) 3√3π/2 units²

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