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Theorem real.cos_eq_cos_iff

Modification history

2021-09-27 04:20
src/analysis/special_functions/trigonometric/basic.lean
refactor(analysis/special_functions/trigonometric): split file (#9340) …
Modified real.cos_eq_cos_iffView on Github →
2020-10-16 05:34
src/analysis/special_functions/trigonometric.lean
feat(analysis/special_functions/trigonometric): some lemmas (#4638) …
Added real.cos_eq_cos_iffView on Github →