182 XJ. S. COAST AND GEODETIC SURVEY. 



Table 6.— Values of I, v, $, v' , and 2v" for each degree of N — Continued. 



N 



Positive 



always. 



Diff. 



Positive when jVis between and 180°; negative when iVis 

 between 180 and 360°. 



10.47 

 10.31 

 10.15 



9.81 

 9.63 



9.45 

 9.27 

 9.08 



8.89 

 8.69 

 8.49 



8.28 

 8.07 

 7.85 



7.63 

 7.41 

 7.18 



6.95 

 6.72 

 6.48 



6.24 

 5.99 

 5.74 



5.49 

 5.24 

 4.98 



4.72 

 4.46 

 4.19 



3.92 

 3.65 

 3.38 



3.10 

 2.83 

 2.55 



2.27 

 1.99 

 1.71 



1.42 

 1.14 

 0.86 



0.57 

 0.29 

 0.00 



Dif. 

 15 



16 

 16 

 17 



17 



18 

 18 



18 

 19 

 19 



20 

 20 

 21 



21 

 22 

 22 



22 

 23 

 23 



23 

 24 

 24 



25 

 25 

 25 



25 

 23 

 26 



26 



27 

 27 



27 



27 

 28 



27 

 28 

 28 



28 

 28 

 29 



28 

 28 

 29 



28 

 29 



9.87 



9.73 

 9.59 

 9.44 



9.29 

 9.13 



8.97 



S.S0 

 8.63 

 8.46 



8.28 

 8.10 

 7.91 



7.72 

 7.52 

 7.32 



7.12 

 6.91 

 6.70 



6.49 

 6.27 

 6.05 



.5.82 

 5.59 

 5.36 



5.13 

 4.89 

 4.65 



4.41 

 4.16 

 3.91 



3.66 

 3.41 

 3.16 



2.90 

 2.64 

 2.38 



2.12 

 1.86 

 1.60 



1.33 

 1.07 

 0.80 



0.54 

 0.27 

 0.00 



Diff. 

 14 



14 

 15 

 15 



16 

 16 

 17 



17 

 17 

 18 



18 

 19 

 19 



20 

 20 

 20 



21 

 21 

 21 



22 

 22 

 23 



23 

 23 

 23 



24 

 24 

 24 



25 

 25 

 25 



25 

 25 

 26 



26 

 26 



7.00 



6.89 

 6.78 

 6.66 



6.55 

 6.43 

 6.31 



6.18 

 6.06 

 5.93 



5.80 

 5.66 

 5.52 



5.38 

 5.24 

 5.09 



4.95 

 4.80 

 4.65 



4.50 

 4.34 

 4.19 



4.03 

 3.87 

 3.70 



.3.54 

 .3.37 

 3.20 



3.03 

 2.86 

 2.69 



2.52 

 2.34 

 2.17 



1.99 

 1.81 

 1.63 



1.45 

 1.27 

 1.09 



0.91 

 0.73 

 0.55 



0.37 

 0.18 

 0.00 



Diff. 

 11 



11 

 12 

 11 



12 

 12 

 13 



12 

 13 

 13 



14 

 14 

 14 



14 

 15 

 14 



15 

 16 

 15 



16 

 15 

 16 



16 

 17 

 16 



17 

 17 

 17 



17 



17 

 17 



18 

 17 

 18 



18 

 18 

 18 



18 

 18 

 18 



18 

 18 

 18 



19 



18 



13.18 



12.96 

 12.73 

 12.49 



12.25 

 12.01 

 11.76 



11.51 

 11.26 

 11.00 



10.74 

 10.48 

 10.21 



9.94 

 9.66 

 9.38 



9.10 

 8.81 

 8.52 



8.23 

 7.94 

 7.64 



7.34 

 7.04 

 6.74 



6.43 

 6.12 

 5.81 



5.50 

 5.19 



4.87 



4.55 

 4.23 

 3.91 



3.59 

 3.27 

 2.94 



2.62 

 2.29 

 1.97 



1.64 

 1.31 

 0.99 



0.66 

 0.33 

 0.00 



Diff. 

 22 



