COS calculates the cosine of an angle.
COS
Return Value
NUMBER
Syntax
COS(n)
Arguments
n is a numeric expression for an angle represented in radians.
n
Example
COS(180 * 3.1415927/180) returns the cosine of 180 degrees as the value -1. The expression converts degrees to radians.
COS(180 * 3.1415927/180)
-1