Theorem Real.cos_nonneg_of_neg_pi_div_two_le_of_le

Modification history

2023-05-17 06:12
Mathlib/Analysis/SpecialFunctions/Trigonometric/Basic.lean
feat: port Analysis.SpecialFunctions.Trigonometric.Basic (#4015)
Added Real.cos_nonneg_of_neg_pi_div_two_le_of_leView on Github →