Find a rectangular equation for the plane curve defined by the parametric equations.
-$$x = \sin t , y = 3 \cos t$$
A) $x ^ { 2 } + 9 y ^ { 2 } = 1$
B) $9 x ^ { 2 } + y ^ { 2 } = 1$
C) $9 x ^ { 2 } + y ^ { 2 } = 9$
D) $x ^ { 2 } + 9 y ^ { 2 } = 9$

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The Answer of Find a rectangular equation for the plane curve defined by the parametric equations.
-$$x = \sin t , y = 3 \cos t$$
A) $x ^ { 2 } + 9 y ^ { 2 } = 1$
B) $9 x ^ { 2 } + y ^ { 2 } = 1$
C) $9 x ^ { 2 } + y ^ { 2 } = 9$
D) $x ^ { 2 } + 9 y ^ { 2 } = 9$

Find a Rectangular Equation for the Plane Curve Defined by the Parametric