A curve C C\,C has parametric equations
x=3cost−1,y=1−9cos2t0≤t≤2π x = 3 \cos t - 1, \quad y = 1 - 9 \cos 2t \quad 0 \leq t \leq 2\pi x=3cost−1,y=1−9cos2t0≤t≤2πFind an equation for C C\,C in the form y=f(x)y = f(x)y=f(x) and state the domain for which the curve is defined.
Sketch the curve
Practise Edexcel A Level Maths 8.3 Curve Sketching with exam-style questions for A Level Maths. 24 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.