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Theorem real.tan_two_mul

Modification history

2021-09-27 04:20
src/analysis/special_functions/trigonometric/arctan.lean
refactor(analysis/special_functions/trigonometric): split file (#9340) …
Modified real.tan_two_mulView on Github →
2021-01-10 22:38
src/analysis/special_functions/trigonometric.lean
feat(analysis/special/functions/trigonometric): complex trig and some even/odd lemmas (#5404) …
Added real.tan_two_mulView on Github →