渐开线函数invα=tanα-α |
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α/(°) |
|
0' |
5' |
10' |
15' |
20' |
25' |
30' |
35' |
40' |
45' |
50' |
55' |
10 |
0.00 |
17941 |
18397 |
18860 |
19332 |
19812 |
20299 |
20795 |
21299 |
21810 |
22330 |
22859 |
23396 |
11 |
0.00 |
23941 |
24495 |
25057 |
25628 |
26208 |
26797 |
27394 |
28001 |
28616 |
29241 |
29875 |
30518 |
12 |
0.00 |
31171 |
31832 |
32504 |
33185 |
33875 |
34575 |
35285 |
36005 |
36735 |
37474 |
38224 |
38984 |
13 |
0.00 |
39754 |
40534 |
41325 |
42126 |
42938 |
43760 |
44593 |
45437 |
46291 |
47157 |
48033 |
48921 |
14 |
0.00 |
49819 |
50729 |
51650 |
52582 |
53526 |
54482 |
55448 |
56427 |
57417 |
58420 |
59434 |
60460 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
15 |
0.00 |
61498 |
62548 |
63611 |
64686 |
65773 |
66873 |
67985 |
69110 |
70248 |
71398 |
72561 |
73738 |
16 |
0.0 |
07493 |
07613 |
07735 |
07857 |
07982 |
08107 |
08234 |
08362 |
08492 |
08623 |
08756 |
08889 |
17 |
0.0 |
09025 |
09161 |
09299 |
09439 |
09580 |
09722 |
09866 |
10012 |
10158 |
10307 |
10456 |
10608 |
18 |
0.0 |
10760 |
10915 |
11071 |
11228 |
11387 |
11547 |
11709 |
11873 |
12038 |
12205 |
12373 |
12543 |
19 |
0.0 |
12715 |
12888 |
13063 |
13240 |
13418 |
13598 |
13779 |
13963 |
14148 |
14334 |
14523 |
14713 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20 |
0.0 |
14904 |
15098 |
15293 |
15490 |
15689 |
15890 |
16092 |
16296 |
16502 |
16710 |
16920 |
17132 |
21 |
0.0 |
17345 |
17560 |
17777 |
17996 |
18217 |
18440 |
18665 |
18891 |
19120 |
19350 |
19583 |
19817 |
22 |
0.0 |
20054 |
20292 |
20533 |
20775 |
21019 |
21266 |
21514 |
21765 |
22018 |
22272 |
22529 |
22788 |
23 |
0.0 |
23049 |
23312 |
23577 |
23845 |
24114 |
24386 |
24660 |
24936 |
25214 |
25495 |
25778 |
26062 |
24 |
0.0 |
26350 |
26639 |
26931 |
27225 |
27521 |
27820 |
28121 |
28424 |
28729 |
29037 |
29348 |
29660 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
25 |
0.0 |
29975 |
30293 |
30613 |
30935 |
31260 |
31587 |
31917 |
32249 |
32583 |
32920 |
33260 |
33602 |
26 |
0.0 |
33947 |
34294 |
34644 |
34997 |
35352 |
35709 |
36069 |
36432 |
36798 |
37166 |
37537 |
37910 |
27 |
0.0 |
38287 |
38666 |
39047 |
39432 |
39819 |
40209 |
40602 |
40997 |
41395 |
41797 |
42201 |
42607 |
28 |
0.0 |
43017 |
43430 |
43845 |
44264 |
44685 |
45110 |
45537 |
45967 |
46400 |
46837 |
47276 |
47718 |
29 |
0.0 |
48164 |
48612 |
49064 |
49518 |
49976 |
50437 |
50901 |
51368 |
51838 |
52312 |
52788 |
53268 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
30 |
0.0 |
53751 |
54238 |
54728 |
55221 |
55717 |
56217 |
56720 |
57226 |
57736 |
58249 |
58765 |
59285 |
31 |
0.0 |
59809 |
60336 |
60866 |
61400 |
61937 |
62478 |
63022 |
63570 |
64122 |
64677 |
65236 |
65799 |
32 |
0.0 |
66364 |
66934 |
67507 |
68084 |
68665 |
69250 |
69838 |
70430 |
71026 |
71626 |
72230 |
72838 |
33 |
0.0 |
73449 |
74064 |
74684 |
75307 |
75934 |
76565 |
77200 |
77839 |
78483 |
79130 |
79781 |
80437 |
34 |
0.0 |
81097 |
81760 |
82428 |
83100 |
83777 |
84457 |
85142 |
85832 |
86525 |
87223 |
87925 |
88631 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
35 |
0.0 |
89342 |
90058 |
90777 |
91502 |
92230 |
92963 |
93701 |
94443 |
95190 |
95942 |
96698 |
97459 |
36 |
0. |
09822 |
09899 |
09977 |
10055 |
10133 |
10212 |
10292 |
10371 |
10452 |
10533 |
10614 |
10696 |
37 |
0. |
10778 |
10861 |
10944 |
11028 |
11113 |
11197 |
11283 |
11369 |
11455 |
11542 |
11630 |
11718 |
38 |
0. |
11806 |
11895 |
11985 |
12075 |
12165 |
12257 |
12348 |
12441 |
12534 |
12627 |
12721 |
12815 |
39 |
0. |
12911 |
13006 |
13102 |
13199 |
13297 |
13395 |
13493 |
13592 |
13692 |
13792 |
13893 |
13995 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
40 |
0. |
14097 |
14200 |
14303 |
14407 |
14511 |
14616 |
14722 |
14829 |
14936 |
15043 |
15152 |
15261 |
41 |
0. |
15370 |
15480 |
15591 |
15703 |
15815 |
15928 |
16041 |
16156 |
16270 |
16386 |
16502 |
16619 |
42 |
0. |
16737 |
16855 |
16974 |
17093 |
17214 |
17336 |
17457 |
17579 |
17702 |
17826 |
17951 |
18076 |
43 |
0. |
18202 |
18329 |
18457 |
18585 |
18714 |
18844 |
18975 |
19106 |
19238 |
19371 |
19505 |
19639 |
44 |
0. |
19774 |
19910 |
20047 |
20185 |
20323 |
20463 |
20603 |
20743 |
20885 |
21028 |
21171 |
21315 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
45 |
0. |
21460 |
21606 |
21753 |
21900 |
22049 |
22198 |
22348 |
22499 |
22651 |
22804 |
22958 |
23112 |
46 |
0. |
23268 |
23424 |
23582 |
23740 |
23899 |
24059 |
24220 |
24382 |
24545 |
24709 |
24874 |
25040 |
47 |
0. |
25206 |
25374 |
25543 |
25713 |
25883 |
26055 |
26228 |
26401 |
26576 |
26752 |
26929 |
27107 |
48 |
0. |
27285 |
27465 |
27646 |
27828 |
28012 |
28196 |
28381 |
28567 |
28755 |
28943 |
29133 |
29324 |
49 |
0. |
29516 |
29709 |
29903 |
30098 |
30295 |
30492 |
30691 |
30891 |
31092 |
31295 |
31498 |
31703 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
50 |
0. |
31909 |
32116 |
32324 |
32534 |
32745 |
32957 |
33171 |
33385 |
33601 |
33818 |
34037 |
34257 |
51 |
0. |
34478 |
34700 |
34924 |
35149 |
35376 |
35604 |
35833 |
36063 |
36295 |
36529 |
36763 |
36999 |
52 |
0. |
37237 |
37476 |
37716 |
37958 |
38202 |
38446 |
38693 |
38941 |
39190 |
39441 |
39693 |
39947 |
53 |
0. |
40202 |
40459 |
40717 |
40977 |
41239 |
41502 |
41767 |
42034 |
42302 |
42571 |
42843 |
43116 |
54 |
0. |
43390 |
43667 |
43945 |
44225 |
44506 |
44789 |
45074 |
45361 |
45650 |
45940 |
46232 |
46526 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
55 |
0. |
46822 |
47119 |
47419 |
47720 |
48023 |
48328 |
48635 |
48944 |
49255 |
49568 |
49882 |
50199 |
56 |
0. |
50518 |
50838 |
51161 |
51486 |
51813 |
52141 |
52472 |
52805 |
53141 |
53478 |
53817 |
54159 |
57 |
0. |
54503 |
54849 |
55197 |
55547 |
55900 |
56255 |
56612 |
56972 |
57333 |
57698 |
58064 |
58433 |
58 |
0. |
58804 |
59178 |
59554 |
59933 |
60314 |
60697 |
61083 |
61472 |
61863 |
62257 |
62653 |
63052 |
59 |
0. |
63454 |
63858 |
64265 |
64674 |
65086 |
65501 |
65919 |
66340 |
66763 |
67189 |
67618 |
68050 |
例 1.inv27°15' =0.039432;。 2.invα=0.0060460,由表查得α=14°55'。 |