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Theorem
complex.cos_ne_zero_iff
Modification history
2021-09-27 04:20
src/analysis/special_functions/trigonometric/basic.lean
refactor(analysis/special_functions/trigonometric): split file (#9340) …
Modified
complex.cos_ne_zero_iff
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2020-09-06 11:28
src/analysis/special_functions/trigonometric.lean
feat(analysis/special_functions/trigonometric): Added lemmas for deriv of tan (#3746) …
Added
complex.cos_ne_zero_iff
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