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Explicit formulas related to Euler's product expansion for cosine function
- Publication Year :
- 2024
-
Abstract
- In this paper, we derive by using elementary methods some continued fractions, certain identities involving derivatives of tanx, several expressions for log coshx and an identity for {\pi}2, from a series expansion of tan x, which gives the product expansion of the cosine function.<br />Comment: 13 pages
- Subjects :
- Mathematics - Number Theory
11A55, 11B68
Subjects
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.2407.19885
- Document Type :
- Working Paper