🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsTiếng ViệtTürkçeالعربيةفارسی한국어中文日本語EntityQ1257456· pop 21· linked from 106 articlestriangle waveAlso known as triangular wavenon-sinusoidal waveform named for its triangular shapeAvailable in 20 languagesEspañolFrançaisDeutsch中文日本語PortuguêsItalianoالعربيةBasqueBosnianCatalanConnectionsinverse trigonometric functionEntitysine waveEntityCategoriesFourier seriesWaveforms