Apache Pig - ACOS() - Apache Pig

What is Apache Pig - ACOS()?

The ACOS() function of Pig Latin is used to calculate the arc cosine value of a given expression.

Syntax

Here is the syntax of the ACOS() function.

Example

Assume that there is a file named math.txt in the HDFS directory /pig_data/. This file contains integer and floating point values as shown below.
math.txt
And, we have loaded this file into Pig with a relation named math_data as shown below.
Let us now calculate the arc cosine values of the contents of the math.txt file using ACOS() function as shown below.
The above statement stores the result in the relation named abs_data. Verify the contents of the relation using the Dump operator as shown below.

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