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C# - Math.Atan() Method with Example

In this tutorial, we will learn about the C# Math.Atan() method with its definition, usage, syntax, and example. By Nidhi Last updated : March 29, 2023

C# Math.Atan() Method

The Math.Atan() method is used to return an angle whose tangent is the specified number measured in radians.

Syntax

double Math.Atan(double D);

Parameter(s)

• D: A double number; it must be between -1 to 1.

Return Value

It returns an angle whose tangent is the specified number measured in radians.

C# Example of Math.Atan() Method

The source code to demonstrate the use of Atan() method of Math class is given below. The given program is compiled and executed successfully.

using System;

class Sample {
  //Entry point of Program
  static public void Main() {
    double Tan = 0.0;

    Tan = Math.Atan(0.7);

    System.Console.WriteLine("Result is: " + Tan);
  }
}

Output

Result is: 0.610725964389209
Press any key to continue . . .

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