Commutators.



Hello! I'm new to Maxima and I have got a question.

I have an expression, consisting of some linear operators. I also know the commutators of the operators. How do I simplify/evolve the original expression?

For example, let [a, b] = i*h and the expression is

a.b - b.a + (sin a).b - b.(sin a)

I want Maxima to give me the answer i*h + i*h * (cos a)