正余弦 meaning in English

sine cosine

This requires two sine-cosine resolvers .
这就需要两个正余弦分解器。
Sin - cosine theorem and its application
正余弦定理及应用
A high precision direct integration method to solve sine and cosine matrix functions
正余弦矩阵函数的精细积分算法
Sine - cosine revolver
正余弦旋转变压器
Design of the sine and cosine precision reference of high precision excitation power supply with closed loop control
高精度闭环激磁电源正余弦精密基准的设计

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