Simplify Trigonometric Expressions



Raymond Toy <toy.raymond <at> gmail.com> writes:


> I didn't check to see if maxima is smart enough to give the expected
> answer with the division, but it can obviously be done by hand.
> 
> Ray
> 

yes,of course, but I wanted to know if I could do it by Maxima
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But I did not understand the advice of Juan

> 
>     Juan> trigreduce( subst([A=cos(c), B=-sin(c)], A*cos(w*t)+B*sin(w*t)) )
> 

how can I use it ? 

Thanks
Renzo