The curve C C\,C has parametric equations
x=2cost−1x = 2\cos t - 1x=2cost−1, y=4sin2t+3y = 4\sin^2 t + 3y=4sin2t+3, where 0≤t≤2π0 \leq t \leq 2\pi0≤t≤2π
Find 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.
75 exam-style questions on CCEA A Level Maths 3.2 Co-ordinate geometry in the (x, y) plane (A-level only), covering 3.2.1 Co-ordinate geometry in the (x, y) plane (A-level only) and 3.2.2 Co-ordinate geometry in the (x, y) plane (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.