Photographic Determination of Heliographic Coordinates of Sunspots Without Taking Double Photos
Aleksandar Tomić (1976)
Publications of Department of Astronomy
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Aleksandar Tomić (1976)
Publications of Department of Astronomy
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El-Bassiouny, A.F. (2002)
International Journal of Mathematics and Mathematical Sciences
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Alois Švec (1978)
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Lu, Youmin, Shao, Zhoude (2004)
International Journal of Mathematics and Mathematical Sciences
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H. Fath el Bab (1977)
Czechoslovak Mathematical Journal
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Alois Švec (1976)
Czechoslovak Mathematical Journal
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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.