Re: [PATCH guile-lib] src: (math trigonometry): Add it.

On 16/02/2025 11:31, Maxime Devos wrote:
>
> Some others you can add:
>
> * tangent
> * arcsine
> * arccosine
> * arctan
>
One more thing: arctan2. Can be implemented in terms of arctan, but 
getting the sign right is inconvenient.