acos(RObject) -- arccosine of an R object

• Function: acos

• Usage:

  acos x

• Inputs:
  • x, a R object,
• Outputs:
  • a R object, the element-wise arccosine of x, in radians;

i1 : acos RObject 1

o1 = [1] 0

o1 : RObject of type double