ACOS


Finds the arccosine of an angle

Syntax:
declare function Acos ( byval number as double ) as double

Usage:
result = Acos( number )

Parameters:
number
A cosine value in the range [-1..1].

Return Value:
The arccosine of number, in radians, in the range [0..Pi].

Description:
Acos returns the arccosine of the argument number as a Double within the range of 0 to Pi. The arccosine is the inverse of the Cos function. The returned angle is measured in radians (not degrees).

Examples:
Dim h As Double
Dim a As Double
Input "Please enter the length of the hypotenuse of a triangle: ", h
Input "Please enter the length of the adjacent side of the triangle: ", a
Print ""
Print "The angle between the sides is"; Acos ( a / h )
Sleep

The output would look like:
Please enter the length of the hypotenuse of a triangle: 5
Please enter the length of the adjacent side of the triangle: 4

The angle between the sides is 0.6435011087932843


Dialect Differences:
Differences from QB:
See also:
Back to Math
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