Q)
(chatquestion)...4. (a) Suppose a particle P is moving in the plane so that its coordinates are given by P(r, y),
where r = 4 cos 2t, y = 7 sin 2t.
(i) By finding a, be IR such that
y?
= 1, show that P is travelling on an elliptical
a?
%3D
path.
[10 marks
1 Answer
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