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Swift program to get the inverse tangent value in radian

Here, we are going to learn how to get the inverse tangent value in radian in Swift programming language?
Submitted by Nidhi, on June 22, 2021

Problem Solution:

Here, we will get the inverse tangent value in radian using atan() function and print the result on the console screen.

Program/Source Code:

The source code to get the inverse tangent value in radian is given below. The given program is compiled and executed successfully.

// Swift program to get the 
// inverse tangent value in radian

import Swift
import Foundation

var num:Double  = -10.29475376726053
var res:Double  = 0

res = atan(num)

print("Result: ",res)

Output:

Result:  -1.4739632679489663

...Program finished with exit code 0
Press ENTER to exit console.

Explanation:

In the above program, we imported a package Swift to use the print() function using the below statement,

import Swift;

To use mathematics and some standard functions, we need to import the foundation package using the below statement,

import Foundation;

Here, we created two double type variables num, res initialized with "-10.29475376726053", "0.0". Then we found the inverse tangent value in radian and printed the result on the console screen.

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