Explain the Number Function ' RADIANS ' in Tableau with Example?

 In Tableau, the RADIANS function is a number function that converts an angle from degrees to radians. It returns the value of the angle expressed in radians.

The syntax for the RADIANS function in Tableau is as follows:

RADIANS(angle)

• angle represents the angle in degrees that you want to convert to radians.

Here's an example to illustrate the usage of the RADIANS function in Tableau:

Suppose you have a dataset with a column called "Angle" that contains different angle values in degrees.

Angle
45
90
180
270

To convert each angle in the "Angle" column from degrees to radians using the RADIANS function, you can create a calculated field in Tableau:

1. Right-click on a blank area in the "Data" pane in Tableau.
2. Select "Create Calculated Field."
3. In the formula editor, enter the following expression:

RADIANS([Angle])

4. Click "OK" to create the calculated field.

The calculated field, which utilizes the RADIANS function, will convert each angle in the "Angle" column from degrees to radians.

The resulting dataset will be as follows:

Angle	Radians
45	0.7854
90	1.5708
180	3.1416
270	4.7124

In this example, the RADIANS function converts each angle in the "Angle" column from degrees to radians. For instance, the angle of 45 degrees is converted to approximately 0.7854 radians, the angle of 90 degrees is converted to approximately 1.5708 radians, and so on.

The RADIANS function is commonly used in trigonometry and geometry calculations, where angles are often required to be in radians. By utilizing the RADIANS function in Tableau, you can easily convert angles from degrees to radians and perform various mathematical operations involving angles.