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我们中的大多数不能分辨正切余切。Most of us can’t tell our secant from our cotangent.

它实际上代表了辙叉角的余切值。It actually represents the Frog Kok of Cotangent value.

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这条线叫做共切线,是系统用来改变曲线形状的。This line, called a cotangent line, is used by the system to modify the curve.

,但是记住,摆放的恰是临界角,所以cotα等于2μbut remember, we set it at the critical angle, so that cotangent alpha is 2 mu.

通过两者比值形成的正切或余切值计算细分数,从而实现再细分。On the basis, more subdivision is realized by tangent and cotangent digital value.

通过新提出的余切关系定理,解决了单站纯方位观测的非线性问题。A new cotangent theorem is deduced to solve the nonlinearity for bearing-only measurement.

本文研究了李群的余切丛上的辛群胚结构。In this paper, we study the symplectic groupoids structure on the cotangent bundle of Lie group.

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现在我要求N除以2,乘以cosα,必须小于或等于MgμSo my requirement now is that N over 2 times the cotangent of alpha must be less or equal to Mg times mu.

根据所提出的余切关系定理,实现了纯方位观测的直线运动目标跟踪。According to the author's Cotangent relations theorem, bearings-only target tracking with linear motion is achieved.

从理论和实践两个方面较为系统地阐述了旋转变压器峰值采样正余切轴角编码方案及其工程设计原理。From two aspects of theory and practice, this article more systematically expounded the peak sample transformer rotating shaft cotangent coding scheme and its engineering design principles.