Return the cosine of a number:
The output of the code above will be:
The cos() method returns the cosine of a number.
Note: The cos() method returns a numeric value between -1 and 1, which represents the cosine of the angle.
The cos() method is supported in all major browsers.
|x||Required. A number|
|Number||A Number, from -1 to 1, representing the cosine of an angle, or NaN if the value is empty|
Return the cosine PI and 2*PI:
The result of a and b will be:
Your message has been sent to W3Schools.