Real angle (˚)

average error (˚)

maximum error (˚)

minimum error (˚)

−90

−29.37

−22.47

−35.17

−78.75

−17.01

−11.97

−21.69

−67.5

−8.69

−4.26

−13.22

−56.25

−1.97

2.56

−6.11

−45

1.77

6.15

−3.20

−33.75

4.23

8.05

0.18

−22.5

6.03

9.47

1.95

−11.25

5.38

9.96

1.58

0

5.70

10.44

2.01

11.25

4.87

9.24

0.13

22.5

4.82

9.67

0.22

33.75

5.22

10.39

−0.18

45

6.19

11.47

0.54

56.25

7.09

12.24

1.97

67.5

7.48

15.84

1.46

78.75

7.72

16.83

−1.74

90

53.74

178.38

1.62