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Talk:Haversine formula: Difference between revisions
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:This might be due to the different values given for the rough radius of the Earth, in kilometers, for different examples. --[[User:Paddy3118|Paddy3118]] 19:22, 16 August 2012 (UTC)
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Some reasons probably are:
* using a different (mean) radius of the earth
* using a derived radius from the earth's circumference
* use of difference precisions
* use of different formulas for trigonometric functions
-- [[User:Gerard Schildberger|Gerard Schildberger]] 19:25, 16 August 2012 (UTC)
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