In this paper, the cosinelawof general closed planar broken line is acquired by generalizing cosinelawof triangle.
将三角形中的余弦定律进行推广,得到一般平面封闭折线的余弦定律。
2
Based on the equivalent theory of statics this paper presents an accurate numerical method and accurate numerical formulas for calculating the bearing load distributed by cosine curve law are derived.