A019832 -id:A019832 - cp's OEIS frontend

A019855 Decimal expansion of sine of 46 degrees.

7, 1, 9, 3, 3, 9, 8, 0, 0, 3, 3, 8, 6, 5, 1, 1, 3, 9, 3, 5, 6, 0, 5, 4, 6, 7, 4, 4, 5, 6, 7, 1, 1, 9, 0, 8, 2, 3, 0, 6, 8, 4, 5, 5, 8, 9, 4, 1, 9, 6, 5, 7, 7, 1, 2, 8, 0, 2, 1, 4, 0, 3, 4, 3, 1, 5, 4, 8, 0, 6, 9, 1, 0, 7, 1, 5, 4, 3, 9, 4, 6, 0, 2, 0, 0, 4, 3, 9, 5, 5, 7, 7, 8, 0, 4, 2, 2, 5, 8

Offset: 0

N. J. A. Sloane

An algebraic number of degree 12 and denominator 2. - Charles R Greathouse IV, Nov 05 2017

			0.71933980...

Ivan Panchenko, Table of n, a(n) for n = 0..1000
Index entries for algebraic numbers, degree 12

RealDigits[Sin[46 Degree],10,120][[1]] (* Harvey P. Dale, Jan 14 2015 *)

sin(23/90*Pi) \\ Charles R Greathouse IV, Nov 05 2017

Equals 2*A019832*A019876. - R. J. Mathar, Jan 17 2021

A019878 Decimal expansion of sine of 69 degrees.

Original entry on oeis.org

9, 3, 3, 5, 8, 0, 4, 2, 6, 4, 9, 7, 2, 0, 1, 7, 4, 8, 9, 9, 0, 0, 4, 3, 0, 6, 3, 1, 3, 9, 5, 7, 0, 7, 4, 1, 4, 0, 5, 9, 6, 5, 2, 6, 8, 5, 3, 7, 4, 6, 6, 8, 0, 6, 8, 8, 1, 6, 4, 9, 6, 8, 1, 1, 3, 9, 1, 4, 9, 4, 9, 8, 2, 3, 6, 0, 2, 2, 3, 1, 6, 3, 6, 8, 2, 3, 7, 9, 8, 3, 0, 7, 4, 3, 8, 6, 0, 5, 5

Offset: 0

N. J. A. Sloane

An algebraic number of degree 16 and denominator 2. - Charles R Greathouse IV, Nov 06 2017

Ivan Panchenko, Table of n, a(n) for n = 0..1000
Wikipedia, Trigonometric constants expressed in real radicals
Index entries for algebraic numbers, degree 16

RealDigits[Sin[69 Degree],10,120][[1]] (* Harvey P. Dale, Dec 19 2011 *)

sin(23/60*Pi) \\ Charles R Greathouse IV, Nov 06 2017

Equals A019855 * A019876 + A019832 * A019853 = A019875 * A019896 + A019812 * A019833. - R. J. Mathar, Jan 27 2021

cp's OEIS Frontend

A019855 Decimal expansion of sine of 46 degrees.

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