Cos() Function

Returns the cosine of a number. For trigonometric functions the number is the angle in degrees.

Syntax

result = Cos (number)

Parameters

number

A literal number, analog tagname, or numeric expression.

Example(s)

Cos(90) returns 0.

Cos(0) returns 1.

Cos(60) returns 0.5.

20 + 50 * Cos(6 * $second) produces a sine wave oscillating around 20 with an amplitude of 50 and a period of one minute.