ACOS(number) returns the arccosine : ACOS « Math Trigonometry functions « Microsoft Office Excel 2007 Tutorial






  1. Microsoft Office Excel 2007 Tutorial
  2. Math Trigonometry functions
  3. ACOS
Input the formula: =ACOS(-0.5)
Input the formula: =ACOS(-0.5)
20.2.ACOS
20.2.1.ACOS(number) returns the arccosineACOS(number) returns the arccosine
20.2.2.=ACOS(-0.5)*180/PI()=ACOS(-0.5)*180/PI()
20.2.3.=DEGREES(ACOS(-0.5))=DEGREES(ACOS(-0.5))