CAPE Pure Mathematics Unit 1 · May/June 2009 · Paper 1 · Question Q25
A curve C is given by the parametric equations x = 2\sin\theta, y = \cos\theta. The Cartesian equation of C is
- (A)
x^2 + y^2 = 5 - (B)
4x^2 + y^2 = 4 - (C)
x^2 + 4y^2 = 4 - (D)
y^2 = 4x - x^2 - 3
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