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A195708
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Decimal expansion of arccos(sqrt(2/5)) and of arcsin(sqrt(3/5)).
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3
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8, 8, 6, 0, 7, 7, 1, 2, 3, 7, 9, 2, 6, 1, 3, 7, 0, 5, 3, 4, 3, 2, 2, 3, 6, 2, 1, 9, 2, 8, 6, 8, 7, 4, 2, 6, 1, 6, 9, 3, 1, 1, 3, 9, 0, 5, 4, 4, 8, 9, 0, 6, 4, 8, 3, 7, 2, 3, 6, 1, 7, 6, 9, 8, 0, 4, 7, 5, 8, 7, 8, 8, 8, 8, 5, 9, 7, 8, 1, 7, 4, 8, 4, 4, 9, 3, 1, 1, 7, 1, 3, 8, 0, 7, 2, 9, 2, 3, 5, 4
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OFFSET
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0,1
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LINKS
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FORMULA
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EXAMPLE
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0.886077123792...
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MATHEMATICA
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r = Sqrt[1/5]; s = Sqrt[2/5];
N[ArcSin[r], 100]
N[ArcCos[r], 100]
N[ArcTan[r], 100]
N[ArcCos[-r], 100]
N[ArcSin[s], 100]
N[ArcCos[s], 100]
N[ArcTan[s], 100]
N[ArcCos[-s], 100]
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PROG
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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