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Sastronaut
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Homework Statement
Graph the curve with the parametric equations
x=√(1-0.25cos^2(10t)) * cost
y=√(1-0.25cos^2(10t)) * sint
z=0.5cos10t
explain the appearance of the graph by showing that it lies on a sphere
Homework Equations
The Attempt at a Solution
could anyone please just point me in the right direction on how to start this problem? any help would be greatly appreciated! thanks pf!