サイン曲きょく線せんじ字FuriganaMeanings1nounsine curve; sinusoidMathematics term for the graph of the sine function; used in trigonometry, signal processing, and physics.サイン曲きょく線せんは周しゅう期き的てきな波は形けいを表あらわす。A sine curve represents a periodic waveform.
