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Theorem has_fderiv_within_at.csin

Modification history

2021-11-02 21:57
src/analysis/special_functions/trigonometric/basic.lean
chore(analysis/special_functions/trigonometric/basic): move results about derivatives to a new file (#10109) …
Modified has_fderiv_within_at.csinView on Github →
2020-11-24 11:42
src/analysis/special_functions/trigonometric.lean
feat(analysis/special_functions/trigonometric): sin, cos, sinh, and cosh are infinitely smooth (#5090)
Added has_fderiv_within_at.csinView on Github →