Question
Mathematics Question on circle
If x = -2 + 3 cosθ ; y = 1 + 3 sinθ then the locus of the point (x,y) is a circle with
A
centre at (-2,1) and radius = 3
B
centre at (2,1) and radius = 3
C
centre at (2,-1) and radius = 9
D
centre at (-2,1) and radius = 9
Answer
centre at (-2,1) and radius = 3
Explanation
Solution
The correct option is (A): centre at (-2,1) and radius = 3