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Theorem real.cos_sub_cos

Modification history

2020-10-16 05:34
src/analysis/special_functions/trigonometric.lean
feat(analysis/special_functions/trigonometric): some lemmas (#4638) …
Modified real.cos_sub_cosView on Github →
2019-02-23 11:37
src/analysis/exponential.lean
feat(*): polar co-ordinates, de moivre, trig identities, quotient group for angles (#745) …
Added real.cos_sub_cosView on Github →