Monotonicity, convexity, and Maclaurin series expansion of Qi's normalized remainder of Maclaurin series expansion with relation to cosine - Pei, Wei-Juan; Guo, Bai-Ni (Open mathematics (Warsaw, Poland), 2024)
Keywords: 11B68; 15A15; 26A06; 26A09; 26A51; 33B10; 41A58; Bernoulli number; Convexity; cosine; derivative formula; Hypergeometric functions; logarithmic convexity; Logarithms; MacLaurin series; Maclaurin series expansion; monotonicity; monotonicity rule; Qi’s normalized remainder; Quotients; ratio; Series expansion; Trigonometric functions