haversine

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haversine

[′ha·vər‚sīn]
(mathematics)
The haversine of an angle A is half of the versine of A, or is ½(1- cos A). Abbreviated hav.
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I'm sorry I can't be a Methodist, like you and mother and Aunt Jane, but I can't and that's all there is to it,' I says.
I'm sorry, Bunny; but if ever you write my memoirs, you won't have any difficulty in working up that chase.
Morning to ye, shipmates, morning; the ineffable heavens bless ye; I'm sorry I stopped ye.
Maclean gave me four hundred pounds to put in the bank, sir,' began John; 'and I'm sorry to say that I've been robbed of it