HasStrictDerivAt.csin

∀ {f : ℂ → ℂ} {f' x : ℂ},
  HasStrictDerivAt f f' x → HasStrictDerivAt (fun x => Complex.sin (f x)) (Complex.cos (f x) * f') x

Defined in: Mathlib.Analysis.SpecialFunctions.Trigonometric.Deriv
Cited by: 0 results in Mathlib
Foundations: Depth 202 from the axioms · uses propext, Classical.choice, Quot.sound

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