Theorems · Theorem · complex analysis
Complex.differentiableAt_tan
∀ {x : ℂ}, DifferentiableAt ℂ Complex.tan x ↔ Complex.cos x ≠ 0- Cited by
- 1 results in Mathlib
- Foundations
- Depth 205 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites8
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
- DifferentiableAtstatement and proof · cited by 617
- Complex.cosstatement and proof · cited by 279
- Complex.tanstatement and proof · cited by 77
- HasDerivAt.differentiableAtproof · cited by 73
- DifferentiableAt.continuousAtproof · cited by 28
- Complex.hasDerivAt_tanproof · cited by 4
- Complex.continuousAt_tanproof · cited by 2
Cited by1
Results whose statement or proof uses this declaration.
- Complex.deriv_tanproof · cited by 0