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Fr

**+ FӨ**

__r__**+ FØ**

__Ө__**= constant**

__Ø__The equation is:

x^2 + y^2 + z^2 = r^2

is the equation for a sphere radius = r centered at the origin. What is the cartesian equation?

x*

**+ y***

__x__**+ z***

__y__**= r ?**

__z__What is the sphere in spherical coordianates?

r*cosӨ*sinØ*

**+ r*sinӨ*sinØ /(r*sin)***

__r____+ r*cosØ/r*__

**Ө****= Constant ?**

__Ø__or

r*cosӨ*sinØ*

**+ sinӨ***

__r____+ cosØ*__

**Ө****=Constant ?**

__Ø__