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A195777
Decimal expansion of arctan(7).
3
1, 4, 2, 8, 8, 9, 9, 2, 7, 2, 1, 9, 0, 7, 3, 2, 6, 9, 6, 4, 1, 8, 4, 7, 0, 0, 7, 4, 5, 3, 7, 1, 9, 8, 3, 5, 9, 0, 9, 0, 8, 0, 2, 9, 4, 0, 9, 5, 9, 0, 8, 8, 8, 3, 8, 1, 0, 9, 3, 4, 2, 2, 6, 6, 7, 9, 0, 4, 6, 6, 5, 7, 6, 3, 8, 3, 1, 7, 3, 3, 3, 8, 3, 6, 9, 8, 2, 5, 5, 5, 1, 0, 3, 6, 8, 1, 2, 0, 1, 5
OFFSET
1,2
EXAMPLE
arctan(7)=1.4288992721907326964184700745371983590908029409...
MATHEMATICA
r = 7;
N[ArcTan[r], 100]
RealDigits[%] (* A195777 *)
N[ArcCot[r], 100]
RealDigits[%] (* A105533 *)
N[ArcSec[r], 100]
RealDigits[%] (* A195779 *)
N[ArcCsc[r], 100]
RealDigits[%] (* A195780 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Sep 24 2011
STATUS
approved