SOLUTION: Find parametric equations for the rectangular equation x² + y² = 4. x = cos(2t), y = sin(2t), 0° < t < 360° x = 4 cos(t), y = 4 sin(t), 0° < t < 360° x = 2 cos(t), y = 2 sin(t

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Question 1034380: Find parametric equations for the rectangular equation x² + y² = 4.
x = cos(2t), y = sin(2t), 0° < t < 360°
x = 4 cos(t), y = 4 sin(t), 0° < t < 360°
x = 2 cos(t), y = 2 sin(t), 0° < t < 360°
x = 16 cos(t), y = 16 sin(t), 0° < t < 360°
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
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Find parametric equations for the rectangular equation x² + y² = 4. 

x = cos(2t), y = sin(2t), 0° < t < 360°
x = 4 cos(t), y = 4 sin(t), 0° < t < 360°
x = 2 cos(t), y = 2 sin(t), 0° < t < 360°       <--- This and only this
x = 16 cos(t), y = 16 sin(t), 0° < t < 360°


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