Flash cards
Review the key moves
1/4
Core idea
What is the main idea behind Java Math cos() 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.cos(3));3Order
Put the learning moves in the order that makes the concept easiest to apply.
The cos() method returns the cosine of an angle.
Definition and Usage
Java Math cos() Method
❮ Math Methods
Example
System.out.println(Math.cos(3));
System.out.println(Math.cos(-3));
System.out.println(Math.cos(0));
System.out.println(Math.cos(Math.PI));
System.out.println(Math.cos(Math.PI/2));Definition and Usage
The cos() method returns the cosine of an angle.
Note
Angles are measured in radians.
Tip
You can use the constant Math.PI to make fractions of PI for angles.
Syntax
public static double cos(double
angle )Parameter Values
| Parameter | Description |
|---|---|
| angle | Required. An angle in radians to find the cosine of. |
Technical Details
| Returns: | A double value representing the cosine of an angle. |
|---|---|
| Java version: | Any |