Format

ACOS(x)

Description

Returns the arc cosine of expression x. The absolute value of x must be less than or equal to 1.  The returned value ranges from .  Thus, .

Example

<Reference_Variable

    id                  = "1"

    label               = "ACOS Example"

    type                = "EXPRESSION"

    expr                = "ACOS(AY(569,193))"

/>

Arguments

x

Any valid function expression.