The form of transforming - 1125 ° into α + 2K π (0 ≤ α & lt; 2 π, K ∈ z =) is ()

The form of transforming - 1125 ° into α + 2K π (0 ≤ α & lt; 2 π, K ∈ z =) is ()

-1125°= -1440°+315°
315/180=7/4 π
So it should be - 8 π + 7 / 4 π