The best majoration for the sums \(\sum\sin\frac{A}{2},\sum\cos\frac{A}{2},\sum\frac{1}{\sin\frac{A}{2}}\) and \(\sum\frac{1}{\cos\frac{A}{2}}\) in a triangle

MaRDI QIDQ6500541

Marius Drăgan, Ovidiu T. Pop

Publication date: 10 May 2024

Published in: International Journal of Geometry (Search for Journal in Brave)

zbMATH Keywords

the best majorationtrigonometric inequaities in triangle

Mathematics Subject Classification ID

Questions of classical algebraic geometry (51N35) Inequalities for sums, series and integrals (26D15) Inequalities for trigonometric functions and polynomials (26D05)

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