Mathlib v3 is deprecated. Go to Mathlib v4

Theorem real.tan_nonpos_of_nonpos_of_neg_pi_div_two_le

Modification history

2021-01-07 05:47

src/analysis/special_functions/trigonometric.lean

refactor(analysis/special_functions/trigonometric): redefine arcsin and arctan (#5300) …

Modified real.tan_nonpos_of_nonpos_of_neg_pi_div_two_le View 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.tan_nonpos_of_nonpos_of_neg_pi_div_two_le View on Github →