Partial fraction decompositions and trigonometric sum identities

Chu, Wenchang

doi:10.1090/S0002-9939-07-09085-5

Partial fraction decompositions and trigonometric sum identities
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Proc. Amer. Math. Soc. 136 (2008), 229-237 Request permission

Abstract:

The partial fraction decomposition method is explored to establish several interesting trigonometric function identities, which may have applications to the evaluation of classical multiple hypergeometric series, trigonometric approximation and interpolation.

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