Q:

Swift program to get the inverse tangent value in radian

belongs to collection: Swift Mathematical Functions Programs

YasminRadwan26
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2022-07-12
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Here, we will get the inverse tangent value in radian using atan() function and print the result on the console screen.

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YasminRadwan26
2022-07-12
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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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