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Date: 16-8-2018
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Date: 10-10-2019
1578
Date: 25-3-2019
1415
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There are a whole class of Machin-like formulas with various numbers of terms (although only four such formulas with only two terms). The properties of these formulas are intimately connected with cotangent identities.
REFERENCES:
Borwein, J. and Bailey, D. Mathematics by Experiment: Plausible Reasoning in the 21st Century. Wellesley, MA: A K Peters, p. 105, 2003.
Gourdon, X. and Sebah, P. "Collection of Series for ." http://numbers.computation.free.fr/Constants/Pi/piSeries.html.
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دور النظارات المطلية في حماية العين
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العلماء يفسرون أخيرا السبب وراء ارتفاع جبل إيفرست القياسي
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اختتام المراسم التأبينية التي أهدي ثوابها إلى أرواح شهداء المق*ا*و*مة
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