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Theorem real.cos_le_cos_of_nonneg_of_le_pi

Modification history

2020-06-30 03:05
src/analysis/special_functions/trigonometric.lean
perf(linarith): don't repeat nonneg proofs for nat-to-int casts (#3226) …
Modified real.cos_le_cos_of_nonneg_of_le_piView on Github →
2018-10-17 09:25
analysis/exponential.lean
feat(*): trigonometric functions: exp, log, sin, cos, tan, sinh, cosh, tanh, pi, arcsin, argcos, arg (#386) …
Added real.cos_le_cos_of_nonneg_of_le_piView on Github →