English

An elementary trigonometric equation

Number Theory 2007-09-25 v1

Abstract

A systematic study of the trigonometric equation A tan a + B sin b = C, where A, B and C^2 are rational numbers. The special case tan Pi/11 + 4 sin 3 Pi/11 = sqrt[11] appears in the classical literature.

Keywords

Cite

@article{arxiv.0709.3755,
  title  = {An elementary trigonometric equation},
  author = {Victor H. Moll},
  journal= {arXiv preprint arXiv:0709.3755},
  year   = {2007}
}

Comments

7 pages

R2 v1 2026-06-21T09:21:03.107Z