Java - acos() Method
Description
The method returns the arccosine of the specified double value.
Syntax
double acos(double d)
Parameters
Here is the detail of parameters −
d − A double data type.
Return Value
This method returns the arccosine of the specified double value.
Example
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 arccosine of %.4f is %.4f degrees %n", Math.cos(radians),
Math.toDegrees(Math.acos(Math.cos(radians))));
}
}
This will produce the following result −
Output
The value of pi is 3.1416 The arccosine of 0.7071 is 45.0000 degrees
java_numbers.htm
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