逆三角関数 ぎゃくさんかくかんすう Meanings Noun inverse trigonometric function; cyclometric function Kanji 逆 reverse. Read as ギャク. 三 three. Read as サン. 角 angle. Read as カク. 関 relate. Read as カン. 数 number. Read as スウ. Word lists Mathematics Jinuma: Japanese Dictionary · Word lists