Last Updated
:2025/12/24
余弦
Hiragana
よげん
Noun
Japanese Meaning
三角比の一つで、直角三角形において角に隣接する辺(隣辺)の長さを斜辺の長さで割った比。または単位円上で角度に対応する点のx座標として定義される関数。cos とも表記される。
Easy Japanese Meaning
さんかくけいのかくどから、たてとよこのながさのわりあいをあらわすすうじ
Chinese (Simplified)
三角函数之一,表示角的cos值 / 余弦函数(cos) / 在直角三角形中,邻边与斜边的比
Sense(1)
(trigonometry) cosine
( canonical )
( romanization )
( hiragana )
Quizzes for review
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余弦
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Do you remember the formula to calculate the cosine, which is one of the trigonometric functions?
Do you remember the formula to calculate the cosine, which is one of the trigonometric functions?
See correct answer
三角関数の一つである余弦を計算するための公式を覚えていますか?
Japanese - English
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