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A215499
Decimal expansion of the smallest root of tan(x) = log(x).
0
4, 0, 9, 5, 4, 6, 1, 6, 0, 5, 9, 0, 9, 9, 1, 9, 3, 1, 2, 5, 3, 9, 0, 6, 2, 0, 9, 3, 1, 0, 7, 7, 3, 1, 8, 0, 6, 0, 5, 0, 0, 6, 6, 3, 9, 0, 8, 7, 8, 5, 4, 9, 4, 1, 6, 9, 2, 4, 3, 4, 3, 5, 9, 7, 2, 9, 7, 9, 2, 5, 4, 7, 1, 0, 8, 9, 7, 2, 5, 7, 8, 9, 5, 3, 7, 4, 7
OFFSET
1,1
COMMENTS
The second root is 7.390369571112932...
The third root is 10.59483666075098025...
EXAMPLE
4.095461605909919312...
MAPLE
Digits:=120:fsolve(tan(x)-log(x) =0, x, 1..5);
MATHEMATICA
RealDigits[ FindRoot[Tan[x] == Log[x], {x, {3, 5} }, WorkingPrecision -> 120] [[3, 5] ]] [[2]]
PROG
(PARI) solve(x=4, 4.1, tan(x)-log(x)) \\ Charles R Greathouse IV, Apr 16 2014
CROSSREFS
Sequence in context: A242015 A187507 A187857 * A190262 A187586 A198866
KEYWORD
nonn,cons
AUTHOR
Michel Lagneau, Aug 13 2012
STATUS
approved