Mathlib v3 is deprecated. Go to Mathlib v4

Theorem complex.has_strict_deriv_at_cos

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 complex.has_strict_deriv_at_cosView on Github →
2021-02-14 16:06
src/analysis/special_functions/trigonometric.lean
feat(analysis/special_functions): strict differentiability of some functions (#6228)
Added complex.has_strict_deriv_at_cosView on Github →