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cotan

余切（cotangent）

1、余切函数

... arctan() 反正切函数 cotan() 余切函数 arg() 幅角 ...

Imron Cotan易慕龙;印尼驻华大使易幕龙;印尼驻华大使易慕龙

Imran Cotan印尼外交部秘书长克坦

n.ratio of the adjacent to the opposite side of a right-angled triangle

同义词：cotangent

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