名词
中文翻译:余弦规则
同义词:
['cosine rule', 'cosine theorem']
例句:
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1.The triangle's sides are given by the cosine rule.
三角形的边长由余弦定理给出。
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2.This is a common mistake made by beginners in physics.
这是初学者在物理学中常见的错误。
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3. The cosine rule is used to find the length of a side in a right-angled triangle.
余弦定理用于计算直角三角形中的边长。