Theorems · Theorem · real analysis
Real.cos_int_mul_two_pi
∀ (n : ℤ), Real.cos (↑n * (2 * Real.pi)) = 1
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 176 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.
- Realstatement · cited by 25,697
- Real.pistatement · cited by 1,774
- Real.cosstatement · cited by 424
- Real.cos_zeroproof · cited by 38
- Real.cos_periodicproof · cited by 16
- Function.Periodic.int_mul_eqproof · cited by 5
Cited by1
Results whose statement or proof uses this declaration.
- Real.cos_eq_one_iffproof · cited by 2