Theorems · Theorem · complex analysis
Complex.hasStrictDerivAt_tan
∀ {x : ℂ}, Complex.cos x ≠ 0 → HasStrictDerivAt Complex.tan (1 / Complex.cos x ^ 2) x- Cited by
- 2 results in Mathlib
- Foundations
- Depth 202 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites15
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
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- ContinuousSMulproof · cited by 1,016
- Complex.cosstatement and proof · cited by 279
- Complex.sinproof · cited by 258
- HasStrictDerivAtstatement and proof · cited by 163
- Complex.tanstatement and proof · cited by 77
- Complex.sin_sq_add_cos_sqproof · cited by 11
Cited by2
Results whose statement or proof uses this declaration.
- Complex.hasDerivAt_tanproof · cited by 4
- Real.hasStrictDerivAt_tanproof · cited by 1