Theorems · Theorem · complex analysis
Complex.hasDerivAt_tan
∀ {x : ℂ}, Complex.cos x ≠ 0 → HasDerivAt Complex.tan (1 / Complex.cos x ^ 2) x- Cited by
- 4 results in Mathlib
- Foundations
- Depth 203 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Complexstatement and proof · cited by 5,565
- HasDerivAtstatement · cited by 493
- Complex.cosstatement and proof · cited by 279
- Complex.tanstatement · cited by 77
- HasStrictDerivAt.hasDerivAtproof · cited by 52
- Complex.hasStrictDerivAt_tanproof · cited by 2
Cited by4
Results whose statement or proof uses this declaration.
- Real.hasDerivAt_tanproof · cited by 6
- Complex.continuousAt_tanproof · cited by 2
- Complex.differentiableAt_tanproof · cited by 1
- Complex.deriv_tanproof · cited by 0