Sketch the Curve Represented by the Parametric Equations and Find $x = 3 \cos ^ { 2 } t , y = 3 \sin ^ { 2 } t$

question 53

Essay

Sketch the curve represented by the parametric equations and find its rectangular-coordinate equation. $x = 3 \cos ^ { 2 } t , y = 3 \sin ^ { 2 } t$

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