Page:Practical Treatise on Milling and Milling Machines.djvu/315

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Brown & Sharpe Mfg. Co.
309

NATURAL TANGENTS AND COTANGENTS

′ 0° 1° 2° 3° 4° ′
Tang Cotang Tang Cotang Tang Cotang Tang Cotang Tang Cotang
0 .00000 Infinite .01746 57.2900 .03492 28.6363 .05241 19.0811 .06993 14.3007 60
1 .00029 3437.75 .01775 56.3506 .03521 28.3994 .05270 18.9775 .07022 14.2411 59
2 .00058 1718.87 .01804 55.4415 .03550 28.1664 .05299 18.8711 .07051 14.1821 58
3 .00087 1145.92 .01833 54.5613 .03579 27.9372 .05328 18.7678 .07080 14.1235 57
4 .00116 859.436 .01862 53.7086 .03609 27.7117 .05357 18.6656 .07110 14.0655 56
5 .00145 687.549 .01891 52.8821 .05638 27.4899 .05387 18.5645 .07139 14.0079 55
6 .00175 572.957 .01920 52.0807 .03667 27.2715 .05416 18.4645 .07168 13.9507 54
7 .00204 491.106 .01049 51.3032 .03696 27.0566 .05445 18.3655 .07197 13.8940 53
8 .00233 429.718 .01978 50.5485 .03725 26.8450 .05474 18.2677 .07227 13.8378 52
9 .00262 381.971 .02007 49.8157 .03754 26.6367 .05503 18.1708 .07256 13.7821 51
10 .00291 343.774 .02036 49.1039 .03783 26.4316 .05533 18.0750 .07285 13.7267 50
11 .00320 312.521 .02066 48.4121 .03812 26.2296 .05562 17.9802 .07314 13.6719 49
12 .00349 286.478 .02095 47.7395 .03842 26.0307 .05591 17.8863 .07344 13.6174 48
13 .00378 264.441 .02124 47.0853 .03871 25.8348 .05620 17.7934 .07373 13.5634 47
14 .00407 245.552 .02153 46.4489 .03900 25.6418 .05649 17.7015 .07402 13.5098 46
15 .00436 229.182 .02182 45.8294 .03929 25.4517 .05678 17.6106 .07431 13.4566 45
16 .00465 214.858 .02211 45.2261 .03958 25.2644 .05708 17.5205 .07461 13.4039 44
17 .00495 202.219 .02240 44.6386 .03987 24.0798 .05737 17.4314 .07490 13.3515 43
18 .00524 190.984 .02269 43.0661 .04016 24.8978 .05766 17.3432 .07519 13.2096 42
19 .00553 180.932 .02298 43.5081 .04046 24.7185 .05795 17.2558 .07548 13.2480 41
20 .00582 171.885 .02328 42.9641 .04075 24.5418 .05824 17.1693 .07578 13.1969 40
21 .00611 163.700 .02357 42.4335 .04104 24.3675 .05854 17.0837 .07607 13.1461 39
22 .00640 156.259 .02386 41.9158 .04133 24.1957 .05883 16.9990 .07636 13.0958 38
23 .00669 149.465 .02415 41.4106 .04162 24.0263 .05912 16.9150 .07665 13.0458 37
24 .00698 143.237 .02444 40.9174 .04191 23.8593 .05941 16.8319 .07695 12.9962 36
25 .00727 137.507 .02473 40.4358 .04220 23.6945 .05970 16.7496 .07724 12.9469 35
26 .00756 132.219 .02502 39.9655 .04250 23.5321 .05999 16.6681 .07753 12.8981 34
27 .00785 127.321 .02531 39.5059 .04279 23.3718 .06029 16.5874 .07782 12.8496 33
28 .00815 122.774 .02560 39.0568 .04308 23.2137 .06058 16.5075 .07812 12.8014 32
29 .00844 118.540 .02589 38.6177 .04337 22.0577 .06087 16.4283 .07841 12.7536 31
30 .00373 114.589 .02619 38.1885 .04366 22.9038 .06116 16.3499 .07870 12.7062 30
31 .00902 110.892 .02648 37.7686 .04395 22.7519 .06145 16.2722 .07899 12.6591 29
32 .00931 107.426 .02677 37.3579 .04424 22.6020 .06175 16.1952 .07929 12.6124 28
33 .00960 104.171 .02706 36.9560 .04454 22.4541 .06204 16.1190 .07958 12.5660 27
34 .00989 101.107 .02735 36.5627 .04483 22.3081 .06233 16.0435 .07087 12.5109 26
35 .01018 98.2179 .02764 36.1776 .04512 22.1640 .06262 15.9687 .08017 12.4742 25
36 .01047 95.4895 .02793 35.8006 .04541 22.0217 .06291 15.8945 .08046 12.4288 24
37 .01076 92.9085 .02822 35.4313 .04570 21.8813 .06321 15.8211 .08075 12.3838 23
38 .01105 90.4633 .02851 35.0695 .04599 21.7426 .06350 15.7483 .08104 12.3390 22
39 .01135 88.1436 .02881 34.7151 .04628 21.6056 .06379 15.6762 .08134 12.2946 21
40 .01164 85.9398 .02910 34.3678 .04658 21.4704 .06408 15.6048 .08163 12.2505 20
41 .01193 83.8435 .02939 34.0273 .04687 21.3369 .06437 15.5340 .08192 12.2067 19
42 .01222 81.8470 .02968 33.6935 .04716 21.2049 .06467 15.4638 .08221 12.1632 18
43 .01251 79.9434 .02997 33.3662 .04745 21.0747 .06496 15.3943 .08251 12.1201 17
44 .01280 78.1263 .03026 33.0452 .04774 20.9460 .06525 15.3254 .08280 12.0772 16
45 .01309 76.3900 .03055 32.7303 .04803 20.8l88 .06554 15.2571 .08309 12.0346 15
46 .01338 74.7292 .03084 32.4213 .04833 20.6932 .06584 15.1893 .08339 11.9923 14
47 .01367 73.1390 .03114 32.1181 .04862 20.5691 .06613 15.1222 .08368 11.9504 13
48 .01396 71.6151 .03143 31.8205 .04891 20.4465 .06642 15.0557 .08397 11.9087 12
49 .01425 70.1533 .03172 31.5284 .04920 20.3253 .06671 14.9898 .08427 11.8673 11
50 .01455 68.7501 .03201 31.2416 .04949 20.2056 .06700 14.9244 .08456 11.8262 10
51 .01484 67.4019 .03230 30.9599 .04978 20.0872 .06730 14.8596 .08485 11.7853 9
52 .01513 66.1055 .03259 30.6833 .05007 19.9702 .06759 14.7954 .08514 11.7448 8
53 .01542 64.8580 .03288 30.4116 .05037 19.8546 .06788 14.7317 .08544 11.7045 7
54 .01571 63.6567 .03317 30.1446 .05066 19.7403 .06817 14.6685 .08573 11.6645 6
55 .01600 62.4992 .03346 29.8823 .05095 19.6273 .06847 14.6059 .08602 11.6248 5
56 .01629 61.3829 .03376 29.6245 .05124 19.5156 .06876 14.5438 .08632 11.5853 4
57 .01658 60.3058 .03405 29.3711 .05153 19.4051 .06905 14.4823 .08661 11.5461 3
58 .01687 59.2659 .03434 29.1220 .05182 19.2959 .06934 14.4212 .08690 11.5072 2
59 .01716 58.2612 .03463 28.8771 .05212 19.1879 .06963 14.3607 .08720 11.4685 1
60 .01746 57.2900 .03492 28.6363 .05241 19.0811 .06993 14.3007 .08749 11.4301 0
′ Cotang Tang Cotang Tang Cotang Tang Cotang Tang Contang Tang ′
89° 88° 87° 86° 85°
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