Subrings in trigonometric polynomial rings.
Shah, Tariq, Ullah, Ehsan (2009)
Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]
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Shah, Tariq, Ullah, Ehsan (2009)
Acta Mathematica Academiae Paedagogicae Nyí regyháziensis. New Series [electronic only]
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Nadjafikhah, Mehdi, Hejazi, Seyed-Reza (2009)
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Topuria, S. (1998)
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Bo Li, Na Ma (2010)
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In this article, we give several differentiation and integrability formulas of composite trigonometric function.
Nazarov, S. A. (2000)
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Duma, Andrei, Stoka, Marius (2002)
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MSC 2010: 44A35, 35L20, 35J05, 35J25 In this paper are found explicit solutions of four nonlocal boundary value problems for Laplace, heat and wave equations, with Bitsadze-Samarskii constraints based on non-classical one-dimensional convolutions. In fact, each explicit solution may be considered as a way for effective summation of a solution in the form of nonharmonic Fourier sine-expansion. Each explicit solution, may be used for numerical calculation of the solutions too. ...
Abujabal, H.A.S., Khan, M.A. (1998)
Georgian Mathematical Journal
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Fuguo Ge, Bing Xie (2008)
Formalized Mathematics
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In this article, we prove a series of differentiation identities [2] involving the arctan and arccot functions and specific combinations of special functions including trigonometric and exponential functions.MML identifier: FDIFF 11, version: 7.10.01 4.111.1036
Malyutin, K. G., Sadik, Nazim (2002)
Sibirskij Matematicheskij Zhurnal
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