A019972 Decimal expansion of tangent of 74 degrees.

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

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• cons

Comments

Also the decimal expansion of cotangent of 16 degrees. - Ivan Panchenko, Sep 01 2014

An algebraic integer of degree 24. - Charles R Greathouse IV, Feb 03 2015

Examples

			3.48741444384090865069622422509938496343049080409136995...
		

Links

• Ivan Panchenko, Table of n, a(n) for n = 1..1000
• Index entries for algebraic numbers, degree 24

Crossrefs

Cf. A019883.

Programs

Magma

SetDefaultRealField(RealField(100)); R:=RealField(); Tan(37*Pi(R)/90); // G. C. Greubel, Nov 21 2018

Mathematica

RealDigits[Tan[74 Degree],10,120][[1]] (* Harvey P. Dale, Jul 21 2018 *)

PARI

tan(37*Pi/90) \\ Charles R Greathouse IV, Feb 03 2015

Sage

numerical_approx(tan(37*pi/90), digits=100) # G. C. Greubel, Nov 21 2018