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Theorem
real.cos_nonpos_of_pi_div_two_le_of_le
Modification history
2020-12-18 01:44
src/analysis/special_functions/trigonometric.lean
chore(analysis/special_functions/trigonometric): review, golf (#5392)
Modified
real.cos_nonpos_of_pi_div_two_le_of_le
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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_nonpos_of_pi_div_two_le_of_le
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