余弦曲线 meaning in English

cosine curve
cosinusoid

Let's now examine the simplest wave form where the profile is a sine or cosine curve .
现在让我们来考察最简单的波形，它的剖面图是正弦或余弦曲线。
In order to increase the shooting times and shooting effects and on the analysis of the human soccer tape extraordinary technology , this paper introduce cosine curve into the goal line of robot
为提高足球机器人在比赛中的射门次数,以及射门效率,在分析了人类足球中盘带过人等技术的基础上,引入余弦曲线作为机器人射门路线。