Adams Basic Package > Adams View > View Function Builder > Design-Time Functions > Functions: A - C > ATAN

ATAN

Returns the arc tangent of an expression that represents a numerical value. The range of ATAN is [-/2,/2] (that is, /2 < ATAN(x) < /2).

Format

ATAN(x)

Argument

 
x
Any valid expression that evaluates to a real number.

Example

The following example illustrates the use of the ATAN function. The location of marker_1 and marker_2 is shown in the figure below.
 
Function
ATAN(DX(marker_2, marker_1, marker_2) /
DY(marker_2, marker_1, marker_2))
Returns
45
Learn more about math functions.