Answer
$4x^2+3y^2-16y-64=0$,
Ellipse.
Work Step by Step
$r=\frac{8}{2-sin\theta}$,
$2r-r\ sin\theta=8$,
$2r=8-r\ sin\theta$,
$4r^2=(8-r\ sin\theta)^2$,
$4x^2+4y^2=(8-y)^2$,
$4x^2+3y^2-16y-64=0$,
Ellipse.
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