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Java toRadians() method with Example

Last Updated : 11 Aug, 2021

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.

Java

// 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[])
    {
        // converting PI from degree to radian
        double deg = 180.0;
        System.out.println(Math.toRadians(deg));

        // converting PI/2 from degree to radian
        deg = 90.0;
        System.out.println(Math.toRadians(deg));

        // converting PI/4 from degree to radian
        deg = 45.0;
        System.out.println(Math.toRadians(deg));
    }
}

Output:

3.141592653589793
1.5707963267948966
0.7853981633974483

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