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Java - cos() Method

Description

The method returns the cosine of the specified double value.

Syntax

double cos(double d)

Parameters

Here is the detail of parameters −

d − This method accepts a value of double data type.

Return Value

This method returns the cosine of the specified double value.

Example

Live Demo

public class Test { 

   public static void main(String args[]) {
      double degrees = 45.0;
      double radians = Math.toRadians(degrees);

      System.out.format("The value of pi is %.4f%n", Math.PI);
      System.out.format("The cosine of %.1f degrees is %.4f%n", degrees, Math.cos(radians));
   }
}

This will produce the following result −

Output

The value of pi is 3.1416
The cosine of 45.0 degrees is 0.7071

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