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Homework Statement
What is the dot product of two unit vectors in spherical coordinates?
Homework Equations
A∙B = ||A|| ||B|| cos([itex]\theta[/itex]) = cos([itex]\theta[/itex])
The Attempt at a Solution
The above equation is the only relevant form of the dot product in terms of the angle [itex]\theta[/itex] that I can find. However, I'm not sure if the spherical coordinates need a term for [itex]\phi[/itex]. If so, is this correct?
A∙B = ||A|| ||B|| cos([itex]\theta[/itex]) sin([itex]\phi[/itex]) = cos([itex]\theta[/itex]) sin([itex]\phi[/itex])
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