%0 Journal Article %A Feng Qi %T On Bounds for Norms of Sine and Cosine Along a Circle on the Complex Plane %J Kragujevac Journal of Mathematics %D 2024 %P 255 %V 48 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2024_48_2_a5/ %G en %F KJM_2024_48_2_a5