A019918 - OEIS

A019918

Decimal expansion of tangent of 20 degrees.

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

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OFFSET

0,1

COMMENTS

Also the decimal expansion of cotangent of 70 degrees. - Mohammad K. Azarian, Jun 30 2013

LINKS

Ivan Panchenko, Table of n, a(n) for n = 0..1000

FORMULA

Equals tan(Pi/9). - Bernard Schott, Apr 19 2022

EXAMPLE

0.36397023426620236135104788277683404389047...

MAPLE