[Maxima] put trig expression in form sin(k*x) WAS: Is there a way to do this in one step?

[Stavros Macrakis]

On Sun, Aug 31, 2008 at 9:42 PM, Richard Hennessy <rvh2007 at comcast.net>wrote:

> I have suppressed some outputs for brevity
> (%i1) trigexpand(sin(61*x));
> (%i2) trigreduce(%);
> (%i3) trigsimp(%);
> (%o3) sin(61*x)
>
Title was: [Maxima] Is there a way to do this in one step?

I assume the one step you want is %o2 -> %o3.  Try trigrat.

           trigrat(trigexpand(sin(61*x))) => sin(61*x)

Is that what you had in mind?

But then, you could also do it in the one step trigsimp(trigreduce(%o1)) :-)
.

          -s
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