Edexcel C4 — Question 2

Exam BoardEdexcel
ModuleC4 (Core Mathematics 4)
TopicParametric equations
2. The curve \(C\) is described by the parametric equations $$x = 3 \cos t , \quad y = \cos 2 t , \quad 0 \leq t \leq \pi .$$
  1. Find a cartesian equation of the curve \(C\).
  2. Draw a sketch of the curve \(C\).
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