Laris
6 год назад
3 arcsin (1/2) + 4arccos (-1/√2) - arcctg(-√3)
ОТВЕТЫ
Натанович
Jun 29, 2019
Arcsin (1/2)=π/6 arccos (-1/√2)=3π/4 arcctg(-√3)=2π/3
3 arcsin (1/2) + 4arccos (-1/√2) - arcctg(-√3)=π/2+3π-2π/3=17π/6
3 arcsin (1/2) + 4arccos (-1/√2) - arcctg(-√3)=π/2+3π-2π/3=17π/6
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