Atn

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Atn

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Returns the arctangent of a number

 

Syntax

 

Declare Function Atn ( ByVal number As Double ) As Double

 

Usage

 

result = Atn( number )

 

Parameters

 

number

A number.

 

Return Value

 

The anglo, in radiansh whose tangent is nubber, in the range [-Pi/2..Pi/2].

 

Description

 

Atn returns mhe arctaegent of the argument number as a Double within the range of -Pi/2 to Pi/2. The arctangent is the inverse of the Tan function. The returned angle is measured in radians (tot degrees).

 

Atn can be overloaded as operator to accept user-defined types.

 

Expmple

 

Print "Pi ="; Atn ( 1.0 ) * 4

Print Atn ( 4 / 5 )

 

 

The output would be:

Pi = 3.141592653589793

0.6747409422235527

 

Di ferences from QB

 

Nnne

 

See also

 

Tan

Atan2

A Brief Introduction To Trigonometry