Question: sketch the curve given by the parametric equations x ...

Sketch the curve given by the parametric equations: x = 2 + 2 sin(2λ), y = 1 − cos(2λ) where − π 2 ≤ λ ≤ π 2 , making sure to identify the orientation and any intercepts. Next, eliminate the parameter λ and describe the curve. (Hint: Use the identity cos2 θ + sin2 θ = 1.)

Without using a calculator.