4.11π/3
Объяснение:
arcsin 1/2 = π/6
arccos (-корень 2/2) = 3π/4
arctg(-корень 3/3) = -π/6
3 arcsin 1/2 + 4 arccos (-корень 2/2) - artg(-корень 3/3) = 3π/6 + 4*3π/4-(-π/6)= π/2+3π+π/6= 3π+4π/6=3π+2π/3=11π/3
4.11π/3
Объяснение:
arcsin 1/2 = π/6
arccos (-корень 2/2) = 3π/4
arctg(-корень 3/3) = -π/6
3 arcsin 1/2 + 4 arccos (-корень 2/2) - artg(-корень 3/3) = 3π/6 + 4*3π/4-(-π/6)= π/2+3π+π/6= 3π+4π/6=3π+2π/3=11π/3