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Java toRadians() method with Example
  • Last Updated : 12 Apr, 2018

The java.lang.Math.toRadians() is used to convert an angle measured in degrees to an approximately equivalent angle measured in radians.

Note: The conversion from degrees to radian is generally inexact.

Syntax:

public static double toRadians(double deg)

Parameter:
deg : This parameter is an angle in degrees which
we want to convert in radians.
Return :
This method returns the measurement of the angle 
deg in radians.

Example: To show working of java.lang.Math.toRadians() method.

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// Java program to demonstrate working
// of java.lang.Math.toRadians() method
import java.lang.Math;
  
class Gfg {
  
    // driver code
    public static void main(String args[])
    {
        // convertng PI from degree to radian
        double deg = 180.0;
        System.out.println(Math.toRadians(deg));
  
        // convertng PI/2 from degree to radian
        deg = 90.0;
        System.out.println(Math.toRadians(deg));
  
        // convertng PI/4 from degree to radian
        deg = 45.0;
        System.out.println(Math.toRadians(deg));
    }
}

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Output:

3.141592653589793
1.5707963267948966
0.7853981633974483

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