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Theorem inner_product_geometry.cos_angle_sub_add_angle_sub_rev_eq_neg_cos_angle

Modification history

2020-08-24 19:17
src/geometry/euclidean.lean
refactor(geometry/euclidean): split up file (#3926) …
Modified inner_product_geometry.cos_angle_sub_add_angle_sub_rev_eq_neg_cos_angleView on Github →
2020-06-14 08:08
src/geometry/euclidean.lean
feat(geometry/euclidean): sum of angles of a triangle (#2994) …
Added inner_product_geometry.cos_angle_sub_add_angle_sub_rev_eq_neg_cos_angleView on Github →