On certain finite and infinite sums of inverse tangents
- Resource Type
- Working Paper
- Authors
- Nicholson, Martin
- Source
- Subject
- Mathematics - General Mathematics
33E05, 11L03, 33B10
- Language
An identity is proved connecting two finite sums of inverse tangents. This identity is discretized version of Jacobi's imaginary transformation for the modular angle from the theory of elliptic functions. Some other related identities are discussed.
Comment: 10 pages. A new theorem is added