Theorem Orientation.cos_oangle_eq_inner_div_norm_mul_norm

Modification history

2023-06-13 08:12
Mathlib/Geometry/Euclidean/Angle/Oriented/Basic.lean
feat: port Geometry.Euclidean.Angle.Oriented.Basic (#4966)
Added Orientation.cos_oangle_eq_inner_div_norm_mul_normView on Github →