Limiting case in order to get the form of trigonometrical function

khhan0543

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Sep 8, 2016
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Hi there,

I was wondering how to convert the Eq. (2) into the final equation "m^2 * (1 - 3 * cos^2 (a) / |R|^2" by taking the limitation "Rho >> 1".
I would appreciate if you could give me any comments.

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