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improve half trig help file equivalent to lines

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Landon Curt Noll
2023-10-03 02:10:45 -07:00
parent 68e1914ee7
commit fec9712b9a
4 changed files with 8 additions and 4 deletions
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help/haversin
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@@ -16,7 +16,8 @@ DESCRIPTION
This function is sometimes called havers, is equivalent to:
haversin(x) = versin(x) / 2 = (1 - cos(x)) / 2
haversin(x) = versin(x) / 2
haversin(x) = (1 - cos(x)) / 2
EXAMPLE
; print haversin(1/2), haversin(5/7), haversin(42/7)