Apache Pig - TANH() - Apache Pig

What is Apache Pig - TANH()?

The TANH() function is used to calculate the hyperbolic trigonometric tangent of a given expression (angle).


Here is the syntax of the TANH() function.


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.
And, we have loaded this file into Pig with a relation named math_data as shown below.
Let us now calculate the hyperbolic tangent values for the contents of the math.txt file using TANH() function as shown below.
The above statement stores the result in the relation named tanh_data. Verify the contents of the relation using the Dump operator as shown below.

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