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On Qi’s Normalized Remainder of Maclaurin Power Series Expansion of Logarithm of Secant Function [PDF]

open access: goldAxioms
In the study, the authors introduce Qi’s normalized remainder of the Maclaurin power series expansion of the function lnsecx=−lncosx; in view of a monotonicity rule for the ratio of two Maclaurin power series and by virtue of the logarithmic convexity of
Hong-Chao Zhang, Bai-Ni Guo, Wei-Shih Du
doaj   +2 more sources

Monotonicity, convexity, and Maclaurin series expansion of Qi's normalized remainder of Maclaurin series expansion with relation to cosine

open access: yesOpen Mathematics
In this article, the authors introduce Qi’s normalized remainder of the Maclaurin series expansion of Qi’s normalized remainder for the cosine function.
Pei Wei-Juan, Guo Bai-Ni
doaj   +1 more source

Metabolic characteristics and pathogenesis of precocious puberty in girls: the role of perfluorinated compounds. [PDF]

open access: yesBMC Med, 2023
Wu J   +8 more
europepmc   +1 more source

Wireless Power Transfer: Systems, Circuits, Standards, and Use Cases. [PDF]

open access: yesSensors (Basel), 2022
Van Mulders J   +6 more
europepmc   +1 more source
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