Ramanujan type trigonometric formulas: the general form for the argument .
Wituła, Roman (2009)
Journal of Integer Sequences [electronic only]
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Wituła, Roman (2009)
Journal of Integer Sequences [electronic only]
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Wilkins, J.Ernest jun., Souter, Shantay A. (1995)
Journal of Applied Mathematics and Stochastic Analysis
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Wang, Hongyun, Zhou, Hong (2007)
Abstract and Applied Analysis
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Bruce Chalmers, Grzegorz Lewicki (2000)
Annales Polonici Mathematici
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Let V be a two-dimensional real symmetric space with unit ball having 8n extreme points. Let λ(V) denote the absolute projection constant of V. We show that where is the space whose ball is a regular 8n-polygon. Also we reprove a result of [1] and [5] which states that for any two-dimensional real symmetric space V.
Lu, Youmin, Shao, Zhoude (2004)
International Journal of Mathematics and Mathematical Sciences
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Bo Li, Pan Wang (2007)
Formalized Mathematics
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In this article, we prove a series of differentiation identities [3] involving the secant and cosecant functions and specific combinations of special functions including trigonometric, exponential and logarithmic functions.
Alois Švec (1976)
Czechoslovak Mathematical Journal
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Ostapenko, V.A. (2005)
Mathematical Problems in Engineering
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Ren, Hongshan, Li, Hongyan (2002)
Applied Mathematics E-Notes [electronic only]
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El-Bassiouny, A.F. (2002)
International Journal of Mathematics and Mathematical Sciences
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