Skip to main content

Ctrl+K

Try Ray with $100 credit — Start now

Site Navigation

Get Started
Use Cases
Example Gallery
Library
APIs
Resources

Try Managed Ray

Site Navigation

Get Started
Use Cases
Example Gallery
Library
APIs
Resources

Try Managed Ray

Loading API navigation…

Ray APIs
Ray Data API
Expressions API
ColumnExpr
acos

acos#

ColumnExpr.acos() → UDFExpr#: Compute the arccosine (inverse cosine) of the expression, returning radians.

previous

abs

next

alias

On this page

ColumnExpr.acos()

Thanks for the feedback!

Was this helpful?

Yes

No

Feedback

Submit

© Copyright 2026, The Ray Team.

Created using Sphinx 8.2.3.

Built with the PyData Sphinx Theme 0.18.0.