A073442 Decimal expansion of cot (Pi degrees) (of course cot (Pi radians) is undefined).

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

Offset: 2

Author

Rick L. Shepherd, Jul 31 2002

Keywords

• cons
• nonn

Examples

			18.2195323461120376322202297457...
		

Crossrefs

Cf. A051555 (tan(Pi degrees)=1/A073442), A051553 (sin(Pi degrees)), A051554 (cos(Pi degrees)), A073440 (csc(Pi degrees)), A073441 (sec(Pi degrees)).

Programs

PARI

cotan(Pi^2/180)