Description
Calculates the arc tangent of an angle.
Syntax
ATan ( n )
|
Argument |
Description |
|---|---|
|
n |
The ratio of the lengths of two sides of a triangle for which you want a corresponding angle (in radians) |
Return value
Double. Returns the arc tangent of n if it succeeds.
Examples
This expression returns 0:
ATan(0)
This expression returns 1.000 (rounded to three places):
ATan(1.55741)
This expression returns 1.267267 (rounded to six places):
ATan(Pi(1))
See also
