Theorem Real.Angle.sign_neg_coe_nonpos_of_nonneg_of_le_pi

Modification history

2023-05-17 11:25
Mathlib/Analysis/SpecialFunctions/Trigonometric/Angle.lean
feat: port Analysis.SpecialFunctions.Trigonometric.Angle (#4040)
Added Real.Angle.sign_neg_coe_nonpos_of_nonneg_of_le_piView on Github →