Select each of the equations that represent a circle of radius 2 centered at the origin. OA. x = 2sint, y = 2cost, 0 < t < 2m B. x = 2cost, y = 2sint, 0 < t < 2m UC. y = V4 – a2 D. x 2 + y? = 4 DE. x = 2sint, y = 2cost, 0 <t < T
Select each of the equations that represent a circle of radius 2 centered at the origin.
OA. x = 2sint, y = 2cost, 0 < t < 2m
B. x = 2cost, y = 2sint, 0 < t < 2m
UC. y = V4 – a2
D. x 2 + y? = 4
DE. x = 2sint, y = 2cost, 0 <t < T