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Returns the inverse of the cosine function in radians.
Sample usage
ACOS(Number)
Syntax
ACOS(X )
Parameters
X- a field or expression containing at least one field.
Examples
| Example formula | Input | Output (radians) |
|---|---|---|
ACOS(Number) | 1 | 0 |
ACOS(Number) | 0 | 1.57 |
Related resources
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Last updated 2026-02-19 UTC.