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Numerade Educator



Problem 40 Medium Difficulty

Graph the curve with parametric equations
$$ x = \sqrt{1 - 0.25 \cos^2 10t} \cos t $$
$$ y = \sqrt{1 - 0.25 \cos^2 10t} \sin t $$
$$ z = 0.5 \cos 10t $$
Explain the appearance of the graph by showing that it lies on a sphere.


see work for graph


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Video Transcript

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