58
CALCULATIONS TO ASCERTAIN THE
TRACT 26 .
13. For the sum of the sines below P in the N.W. quarter.
Rings
Radii.
Sum ofDeps.
3~r2 m
Sum ofTangs.
1
2
3
4
5
6
7
8
9
10
11
12
Sum ofDiffs.
i
333 i
790
2-3/0
13
12
9
8
7
5
5
3
2
1
1
•066
2
1000
3170
3-170
2d
25
21
17
14
12
9
6
5
3
2
140
3
166/
498O
2-988
15
14
13
12
12
11
9
8
7
5
2
108
4
2333
6200
£•667
10
10
9
9
8
7
6
5
5
4
2
75
5
3000
7270
2-423
10
10
8
7
6
5
5
4
3
2
1
6l
6
366/
7800
2-127
7
6
5
5
4
3
3
3
2
1
1
40
7
4333
7975
1-840
5
4
4
3
3
2
2
1
l
1
1
2 7
8
5000
8280
1-656
3
3
2
2
J>
1
1
1
1
l
17
9
5667
8660
1-528
2
1
2
1
2
1
1
1
1
1
1
14
10
6333
8935
1-411
1
1
i
1
1
1
1
1
1
1
1
11
11
7000
9580
1-369
1
•
1
.
1
i
1
1
1
1
1
9
12
7667
10280
1-341
1
*
1
1
1
1
1
1
1
1
9
13
8333
11200
1-344
1
1
1
1
1
1
1
1
1
1
10
20-224
sum
of the tangents.
•587
0-587
rz:
sum
of the differences
25-037
=
sum
of the
sines.
14.
For the sum of the sines below p in the N.E. quarter.
/
1
2
3
4
5
6
7
8
9
10
11
12
1
333}
625
1-875
7
5
5
4
3
2
2
1
1
1
1
•032
2
1000
2755
2-755
17
16
15
13
11
9
6
5
3
2
1
98
3
1667
4855
2-giS
15
14
13
12
j 1
10
9
8
6
4
2
104
4
2333'
7000
3000
n
12
13
13
13
13
u
9
6
4
2
107
5
3000
8500
2-833
11
11
11
11
11
10
10
9
7
5
2
98
6'
3667
9580
2-613
6
7
7
8
8
8
8
6
5
4
2
6.9
7
4333
10350
2-389
5
5
5
4
4
4
5
5
5
4
2
1
49
8
5000
11840
2-368
3
2
2
2
2
1
2
3
3
3
3
1
27
9
5667
8400
1-482
1
1
1
1
1
1
•
1
2
2
2
1
14
10
6333
7610
1-202
1
1
•
1
.
1
•
1
1
1
1
1
9
li
7000
7930
1-133
1
*
1
1
•
1
•
1
1
1
7
12
7667
8810
1-149
1
.
1
.
1
•
1
1
1
1
1
8
13
8333
8980
1-078
1
1
1
•
1
•
1
1
1
7
26-790
sum
of the tangents.
•day
•629
sum
of the differences
i0-101
=
sum
of the sines.
- -