❮ 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 |