摘要
研究凸函数及其性质，证明了均值不等式。
The author make a study of convex function and its properties,average valued inequalities proved,and some trigonometic inequalities in convex polygons obtained.
出处
《四川师范学院学报（自然科学版）》
1997年第4期352-356,共5页
Journal of Sichuan Teachers College(Natural Science)
