COS Function Explained
The COS Function in Microsoft Excel returns the cosine of a given angle, which is measured in radians. It takes one argument, which is the angle in radians for which you want to find the cosine. The COS Function returns a value between -1 and 1, which is the cosine of the given angle.
COS Function Syntax
COS(number)
- number: The angle in radians for which you want the cosine.