[Gambas-user] trigonometric function

[Benoît Minisini]

Le 25/10/2012 17:44, piet at ...3034... a écrit :
>
>
> Hi,
>
> I just got a mathematic problem:
>
> I need the angle alpha and
> x and y are given.
>
> tan(alpha) = x / y
>
> so alpha = tan^-1(x/y)
>
> As I
> put tan^-1(x/y) in my own calculator, it works.
>
> But how do I express
> this in Gambas?
>
> (1 / (tan(x / y)) does'nt return me the same awnser..)
>
>
> Thanks for help
>
> Piet
>

Atn(x / y), or better Ang(x, y) or Atan2(x, y)

See the wiki documentation.

-- 
Benoît Minisini