Function acos

acos<T>(operand): Expression<T>
An expression that takes the arccosine of another expression. The range of values returned by acos is [0, PI]. |operand| must be less than or equal to 1.
Type Parameters
- T extends string | number | Vector3
Parameters
- operand: Expression<T>
  The expression of which to take the arccosine. Should result in a number, point or color.
Returns Expression<T>
An expression that takes the arccosine of another expression. Results in a number, point or color.