A circle is defined by the parametric equations x=1+3cosθx = 1 + 3 \cos \thetax=1+3cosθ, y=−6+3sinθy = -6 + 3 \sin \thetay=−6+3sinθ
Find the centre and the radius of the circle.
Practise Edexcel A Level Maths Parametric Equations with exam-style questions for A Level Maths. 64 questions covering 8.1 Parametric Equations, 8.2 Using Trigonometric Identities, 8.3 Curve Sketching, 8.4 Points of Intersection, and 8.5 Modelling with Parametric Equations, 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.