Theorem Real.cos_half

Modification history

2025-05-08 15:46
Mathlib/Analysis/SpecialFunctions/Trigonometric/Basic.lean
chore(*): use notation for `Real.sqrt` (#24684) …
Modified Real.cos_halfView on Github →
2023-10-30 12:55
Mathlib/Analysis/SpecialFunctions/Trigonometric/Basic.lean
feat: explicit formula for the complex square root (#7968) …
Added Real.cos_halfView on Github →