三角形の辺の比を計算するのに、余弦定理は非常に便利だ。
The cosine rule is extremely useful for calculating the ratios of the sides of a triangle.
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Handwriting
Example sentences
His talent is incomparable to anyone else's.
直角三角形において、正接は対辺と底辺の比として定義される。
In a right-angled triangle, the tangent is defined as the ratio of the opposite side to the base.
Usage Notes
Often used in the form '〜の比ではない' to mean 'cannot be compared with' or 'is far superior/inferior to'.
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