The ACOS Function
General Format
Arguments
Argument-1 must be class numeric.
The value of argument-1 must be greater than or equal to -1 and less than or equal to +1.
Returned Values
The returned value is the approximation of the arccosine of argument-1 and is greater than or equal to zero and less than or equal to pi.
Note:
Conversion factors from radians to degrees and Gon (grad) are specified in the section
Trigonometric Functions
.
Floating-point format is used for numeric non-integer results.
Parent topic:
Definitions of Functions
Related information
Trigonometric Functions