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Java Math atan() Method
Java Math Class
Java Math class provides several methods to perform several operations on math calculations like max(), min(), sin(), cos(), round(), ceil(), floor(), abs() etc.
The java.lang.Math class contains various methods for performing basic numeric operations
Here, in the page we will discuss about the atan() Method in java.
Java Math atan() Method :
The arc tangent of the given value is returned by the Java Math atan() method.
The inverse of the tangent function is the arc tangent.
Note:If the argument is zero, the result will also be zero with the same sign.
Syntax :
public static double atan(double a)
clear() Function in ArrayList
clone() Function in ArrayList
add() Function in ArrayList
addall() Function in ArrayList
Example 1 for Positive Numbers :
public class Main{
public static void main(String[] args) {
//declaring variables
double x = 45.0;
double y = 30.0;
double z = 60.0;
double e = 0.0;
//inpitting a positive value
//outputing a positive value
System.out.println("Math.atan(" + x + ") = " + Math.atan(x));
System.out.println("Math.atan(" + y + ") = " + Math.atan(y));
System.out.println("Math.atan(" + z + ") = " + Math.atan(z));
System.out.println("Math.atan(" + e + ") = " + Math.atan(e));
}
}
Output :
Math.atan(45.0) = 1.5485777614681775 Math.atan(30.0) = 1.5374753309166493 Math.atan(-60.0) = -1.554131203080956 Math.atan(-0.0) = -0.P
Example 2 for Negative Numbers :
public class Main{
public static void main(String[] args) {
//declaring negative variables
double x = -50.0;
double y = -75.0;
double z = -55.0;
double e = -0.0;
//inpitting a negative value
//outputing a negative value
System.out.println("Math.atan(" + x + ") = " + Math.atan(x));
System.out.println("Math.atan(" + y + ") = " + Math.atan(y));
System.out.println("Math.atan(" + z + ") = " + Math.atan(z));
System.out.println("Math.atan(" + e + ") = " + Math.atan(e));
}
}
Output :
Math.atan(-50.0) = -1.550798992821746 Math.atan(-75.0) = -1.557463783500751 Math.atan(-55.0) = -1.5526165117219184 Math.atan(-0.0) = -0.0
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