Объяснение:
arccos(-√2/2)+arcsin(-0.5) = 3π/4 - π/6 = (9π-2π)/12 = 7π/12
arccos(-√3/2)-arcsin√3/2 = 5π/6 - π/3 = (15π - 6π) / 18 = 9π/18 = π/2
Объяснение:
arccos(-√2/2)+arcsin(-0.5) = 3π/4 - π/6 = (9π-2π)/12 = 7π/12
arccos(-√3/2)-arcsin√3/2 = 5π/6 - π/3 = (15π - 6π) / 18 = 9π/18 = π/2