Theorems · Theorem · Lie groups
Real.Angle.cos_pi_div_two_sub
∀ (θ : Real.Angle), (↑(Real.pi / 2) - θ).cos = θ.sin
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 180 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.
- Realstatement and proof · cited by 25,697
- Real.pistatement · cited by 1,774
- Real.Anglestatement and proof · cited by 518
- Real.Angle.coestatement · cited by 360
- Real.Angle.cosstatement · cited by 77
- Real.Angle.sinstatement · cited by 75
- Real.Angle.induction_onproof · cited by 29
- Real.cos_pi_div_two_subproof · cited by 8
Cited by1
Results whose statement or proof uses this declaration.
- Real.Angle.abs_cos_eq_abs_sin_of_two_nsmul_add_two_nsmul_eq_piproof · cited by 1