名词中文翻译
中文翻译：余弦
同义词：
['cosine', 'cosecant']
例句：
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1.The angle of the triangle is 60 degrees, which is a cosecant of 3.
三角形的角是60度，这是一个余切值3。
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2.The cosecant of a right-angled triangle is half of its length.
直角三角形的余切是其长度的一半。
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3.The cosecant of a circle is its radius squared divided by the circumference.
圆的余切是半径平方除以周长。