お、結構大きめのPRがJulia本体にマージされた😃: RFC: Some degree trigonometric functions, `sind`, `cosd`, `tand`, `asind` , `acosd`, `asecd`, `acsd`, `acotd`, `atand` accept a square matrix. by AtsushiSakai · Pull Request #39758 · JuliaLang/julia https://github.com/JuliaLang/julia/pull/39758#event-4751474957…
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