Mathlib v3 is deprecated. Go to Mathlib v4

Theorem real.neg_one_le_cos

Modification history

2018-10-17 09:25
data/complex/exponential.lean
feat(*): trigonometric functions: exp, log, sin, cos, tan, sinh, cosh, tanh, pi, arcsin, argcos, arg (#386) …
Added real.neg_one_le_cosView on Github →