English

Finite trigonometric sums arising from Ramanujan's theta functions

Number Theory 2022-10-11 v1

Abstract

Two classes of finite trigonometric sums, each involving only sin\sin's, are evaluated in closed form. The previous and original proofs arise from Ramanujan's theta functions and modular equations.

Keywords

Cite

@article{arxiv.2210.04659,
  title  = {Finite trigonometric sums arising from Ramanujan's theta functions},
  author = {Bruce C. Berndt and Sun Kim and Alexandru Zaharescu},
  journal= {arXiv preprint arXiv:2210.04659},
  year   = {2022}
}

Comments

10 pages

R2 v1 2026-06-28T03:08:53.537Z