Multiple Choice
Eliminate the parameter to rewrite the following as a rectangular equation.
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First eliminate the parameter, then graph the plane curve of the parametric equations.
x(t)=2+cost, y(t=−1+sint); 0≤t≤2π
(x−2)2+(y+1)2=1
(x−2)2+(y+1)2=1
(x+2)2+(y−1)2=1
(x+2)2+(y−1)2=1