给出两个新的三角不等式，并将其应用于讨论角成等比的三角形形状。

In this paper, two new trigonometrical inequalities are given, and applied to discuss triangle shapes.

youdao

给出两个新的三角不等式，并将其应用于讨论角成等比的三角形形状。

In this paper, two new trigonometrical inequalities are given, and applied to discuss triangle shapes.

youdao