Question

Помогите пожалуйста

Answer 1

Объяснение:

arccos (-1/2) = π - π/3= 2π/3

arcsin (1/ √2) = π/4

arctg (-√3) = - π/3

3arccos (-1) + 2arccos 1 = 3π + 2*0 = 3π

arcsin (-1) + 2arctg 1 - arccos (-1) = -π/2 + 2* π/4 - π＝ -π