Question: How can I simplify the expression by applying equivalent infinitesimal  in Maple?

How can I simplify the expression by applying equivalent infinitesimal  in symbolic computation?

For example,for small x,  limit(x/sin(x) + x, x = 0),  I want to get 1+x, rather than 1. In fact, how can I set an assumption that x is small and let the expression be simplified or replaced by other equivalent infinitesimal terms?

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