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How do I find arctanh() in exel
Please help me with a formular I need to enter into an exel spreedsheet cell;
Surface area of the Earth = A = 2πaSQRT+π(bSQRT/e)ln[(1+e)/(1e)] = (answer 510065621.724) or (= 2π[aSQRT+(bSQRT/e)arctanh(e)])= (answer 510065621.724) where a = 6,378,137.0 (Semi-major axis = equatorial radius = a) b = 6,356,752.314245180 (Semi-minor axis = polar radius = b) e = 0.08181919084262150(first eccentricity) I get stuck with the symbols "ln" and "arctanh" Radius of sphere of equal surface area = ½(A/π) = (answer 6371007.1809) I get stuck with the symbol "" Radius of sphere of equal volume = (¾V/π)¹³ = (a2b)¹³ = (answer 6,371,000.790) where "V" volume = 1,083,207,319,801.0 I get stuck with the symbol "¹³" |
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