Read Edit View history 余弦 yúxián cosine Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 余弦/餘弦 · yúxián · cosine 2026/03/04 余弦 / 餘弦 yúxián cosine (math.) cosine 这个角度的余弦值是多少？ created sense Mar 4, 2026, 02:25 AM