arccos

英['ɑːkəʊz] 美['ɑːkəʊz]
  • n.反余弦
  • electric adj.电的;电动的;带电的;刺激的n.电动产品
  • mark n.记号;痕迹;分数;商标v.弄污;打分;留意;做标记
Noun:
  1. the inverse function of the cosine; the angle that has a cosine equal to a given number