YouTipNumber Cos
# Java cos() Method
[Java Number Class](#)
* * *
The cos() method is used to return the cosine of the specified double parameter.
### Syntax
double cos(double d)
### Parameters
* **d** -- Any primitive data type.
### Return Value
Returns the cosine of the specified double parameter.
### 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 cosine of %.1f degrees is %.4f%n", degrees, Math.cos(radians));}}
Compile and run the above program, the output result will be:
The value of pi is 3.1416
The cosine of 45.0 degrees is 0.7071
* * Java Number Class](#)