Returns the inverse of the cosine function in radians.
ACOS(Number)
ACOS( X )
X - a field or expression containing at least one field.| Example formula | Input | Output (radians) |
|---|---|---|
ACOS(Number) |
1 | 0 |
ACOS(Number) |
0 | 1.57 |
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2026-07-29 UTC.