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C# - Math.Cos() Method with Example

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

C# Math.Cos() Method

The Math.Cos() method is used to return the cosine of the specified angle.

Syntax

    double Math.Cos(double D);

Parameter(s)

• D: An angle, measured in radians.

Return Value

It returns the cosine of the specified angle.

C# Example of Math.Cos() Method

The source code to demonstrate the use of Cos() 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 Result = 0.0;

    Result = Math.Cos(0.7);

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

Output

Result is: 0.764842187284489
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