sympy__sympy-18087

Simplify of simple trig expression fails

Verdict: the issue points to the file or function that was changed (Tier B).

It seems line 455 below https://github.com/sympy/sympy/blob/0d99c52566820e9a5bb72eaec575fce7c0df4782/sympy/core/exprtools.py#L449-L458 unconditionally multiplies exponents if a power of a power is encountered.

The text points to the exact place to change: “It seems line 455 below https://github.com/sympy/sympy/blob/0d99c52566820e9a5bb72eaec575fce7c0df4782/sympy/core/exprtools.py#L449-L458 unconditionally multiplies exponen…”

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