# Some linear relations between values of trigonometric functions at kπ/n

Acta Arithmetica (1997)

- Volume: 81, Issue: 4, page 387-398
- ISSN: 0065-1036

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top## How to cite

topKurt Girstmair. "Some linear relations between values of trigonometric functions at kπ/n." Acta Arithmetica 81.4 (1997): 387-398. <http://eudml.org/doc/207073>.

@article{KurtGirstmair1997,

author = {Kurt Girstmair},

journal = {Acta Arithmetica},

keywords = {division point; cotangent; tangent; cosecant; character coordinate},

language = {eng},

number = {4},

pages = {387-398},

title = {Some linear relations between values of trigonometric functions at kπ/n},

url = {http://eudml.org/doc/207073},

volume = {81},

year = {1997},

}

TY - JOUR

AU - Kurt Girstmair

TI - Some linear relations between values of trigonometric functions at kπ/n

JO - Acta Arithmetica

PY - 1997

VL - 81

IS - 4

SP - 387

EP - 398

LA - eng

KW - division point; cotangent; tangent; cosecant; character coordinate

UR - http://eudml.org/doc/207073

ER -

## References

top- [1] K. Girstmair, Character coordinates and annihilators of cyclotomic numbers, Manuscripta Math. 59 (1987), 375-389. Zbl0624.12006
- [2] K. Girstmair, Dirichlet convolution of cotangent numbers and relative class number formulas, Monatsh. Math. 110 (1990), 231-256. Zbl0717.11048
- [3] G. Lettl, The ring of integers of an abelian number field, J. Reine Angew. Math. 404 (1990), 162-170. Zbl0703.11060
- [4] A. P. Prudnikov, Yu. A. Brychkov and O. I. Marichev, Integrals and Series, Vol. I, Gordon and Breach, New York, 1986. Zbl0606.33001

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