摘要
利用微分学方法给出刘徽不等式与祖冲之不等式的证明;得到两个关于双曲函数的不等式;还得到两个关于单位圆内接正n边形周长与π之间关系的不等式.
The Liu Hui Inequality and Zu Chongchi Inequality are proved using the method of differentiation.Two inequalities of hyperbolic function are established.Two inequalities between the perimeter of inscribed regular polygon of unit circle with 7rare given in this note.
出处
《数学的实践与认识》
CSCD
北大核心
2012年第8期197-199,共3页
Mathematics in Practice and Theory
关键词
刘徽不等式
祖冲之不等式
三角函数不等式
双曲函数不等式
Liu Hui Inequality
Zu Chongchi Inequality
Inequalities of trigonometric function
inequalities of hyperbolic function
