Astroidal Sphere An equation of an astroidal sphere inand isA graph of an astroidal
Chapter 15, Problem 51(choose chapter or problem)
Astroidal Sphere An equation of an astroidal sphere in x, y, and z is
\(x^{2 / 3}+y^{2 / 3}+z^{2 / 3}=a^{2 / 3}\).
A graph of an astroidal sphere is shown below. Show that this surface can be represented parametrically by
\(\mathbf{r}(u, v)=a \sin ^{3} u \cos ^{3} v \mathbf{i}+a \sin ^{3} u \sin ^{3} v \mathbf{j}+a \cos ^{3} u \mathbf{k}\)
where \(0 \leq u \leq \pi\) and \(0 \leq v \leq 2 \pi\).
Text Transcription:
x^2/3+y^2/3+z^2/3=a^2/3
r(u,v)=a sin^3 u cos^3 vi+a sin^3 u sin^3 vj+a cos^3 uk
0<=u<=pi
0<=v<=2 pi
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