α (rad) ( °) Effect
[0, π/2[ 0 – 30 Amplified
45- 90 Reduce
315 – 360 Amplified
]π/2, π] 0- 45 Reduce
150- 215 Amplified
330– 360 Reduce
[π, 3π/2[ 0- 30 Reduce
45- 90 Amplified
315– 360 Reduce
]3π/2, 2π] 0- 45 Amplified
150- 215 Reduce
330– 360 Amplified