Объяснение:
160° =160°·π/180° = 8π/9
320° = 320°·π/180°= 16π/9
80° = 80°·π/180° = 4π/9
360° = 360°· π/180° = 2π
Объяснение:
160° =160°·π/180° = 8π/9
320° = 320°·π/180°= 16π/9
80° = 80°·π/180° = 4π/9
360° = 360°· π/180° = 2π