Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java Math acos() Method?
Lesson checks
Practice each idea before moving on
Short Mimo-style checks built from this lesson's code, terms, and sequence.
1Quick choice
Which statement best captures the main point of this lesson?
2Fill blank
Complete the missing token from the example code.
___.out.println(Math.acos(0.64));3Order
Put the learning moves in the order that makes the concept easiest to apply.
The acos() method returns the arc cosine value of a number.
Definition and Usage
Java Math acos() Method
❮ Math Methods
Example
System.out.println(Math.acos(0.64));
System.out.println(Math.acos(-0.4));
System.out.println(Math.acos(0));
System.out.println(Math.acos(1));
System.out.println(Math.acos(-1));
System.out.println(Math.acos(2));Definition and Usage
The acos() method returns the arc cosine value of a number.
Tip
acos(-1) returns the value of PI.
Syntax
public static double abs(double
number )Parameter Values
| Parameter | Description |
|---|---|
| number | Required. A number to find the arc cosine of, in the range -1 to 1. If the value is outside -1 to 1, it returns NaN (Not a Number). |
Technical Details
| Returns: | A double value, representing the arc cosine of a number |
|---|