Show why (x,y,z) = (a*sin(phi)* cos(theta) , a*sin(phi)* sin(theta), sqrt(3)*a*sin(phi) ) lies on the sphere of radius 2a centered at origin.

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- Jan 16th 2007, 12:07 AMJenny20urgent help please - sphere
Show why (x,y,z) = (a*sin(phi)* cos(theta) , a*sin(phi)* sin(theta), sqrt(3)*a*sin(phi) ) lies on the sphere of radius 2a centered at origin.

- Jan 16th 2007, 05:40 AMtopsquark
- Jan 16th 2007, 06:01 AMThePerfectHacker
- Jan 16th 2007, 09:16 AMJenny20
Thank you very much !