[seqfan] Re: how to simplify sin(3*Pi/10) etc in Maple

[W. Edwin Clark]

convert(sin(3*Pi/10),radical);

On Wed, May 24, 2023 at 8:34 PM Neil Sloane <njasloane at gmail.com> wrote:

> How do I get Maple to evaluate expressions like sin(3*Pi/10) ?
>
> That one is easy, it is (1+sqrt(5))/4, just look up the decimal expansion
> in the OEIS and you get the answer, A019863.
>
> But in general? I can't find an answer in any of the help pages.
>
> If you know the answer please post it here, to avoid duplication of effort.
>
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