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Theorem
real.arccos_of_le_neg_one
Modification history
2022-10-21 17:19
src/analysis/special_functions/trigonometric/inverse.lean
refactor(analysis/special_functions/trigonometric/inverse): `cos_arcsin`, `sin_arccos` degenerate cases (#17026) …
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real.arccos_of_le_neg_one
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