3. Tangent Function Values
T°
0'
20'
40'
T°
0'
20'
40'
0
0.0000
0.0058 0.0116
45
1.0000 • 1.012
1.024
1
0.0175 0.0233 0.0291
46
1.036
1.048
1.060
2
0.0349 0.0407
0.0466
47
1.072
1.085
1.098
3
0.0524 0.0582 0.0641
48
1.111
1.124
1.137
4
0.0699 0.0758 0.0816
49
1.150
1.164
1.178
5
0.0875 0.0934 0.0992
50
1.192
1.206
1.220
6
0.1051 0.1110 0.1169
51
1.235
1.250
1.265
7
0.1228 0.1287 0.1346
52
1.280
1.295
1.311
8
0.1405 0.1465 0.1524
53
1.327
1.343
1.360
9
0.1584 0.1644 0.1703
54
1.376
1.393
1.411
10
0.1763 0.1823 0.1883
55
1.428
1.446
1.464
11
0.1944 0.2004 0.2065
56
1.483
1.501
1.520
12
0.2126 0.2186 0.2247
57
1.540
1.560
1.580
13
0.2309 0.2370 0.2432
58
1.600
1.621
1.643
14
0.2493 0.2555 0.2617
59
1.664
1.686
1.709
15
0.2679 0.2742 0.2805
60
1.732
1.756
1.780
16
0.2867 0.2931
0.2994
61
1.804
1.829
1.855
17
0.3057 0.3121
0.3185
62
1.881
1.907
1.935
18
0.3249 0.3314 0.3378
63
1.963
1.991
2.020
19
0.3443 0.3508 0.3574
64
2.050
2.081
2.112
20
0.3640 0.3706 0.3772
65
2.145
2.177
2.211
21
0.3839 0.3906 0.3973
66
2.246
2.282
2.318
22
0.4040 0.4108 0.4176
67
2.356
2.394
2.434
23
0.4245 0.4314 0.4383
68
2.475
2.517
2.560
24
0.4452 0.4522 0.4592
69
2.605
2.651
2.699
25
0.4663 0.4734 0.4806
70
2.747
2.798
2.850
26
0.4877 0.4950 0.5022
71
2.904
2.960
3.018
27
0.5095 0.5169 0.5243
72
3.078
3.140
3.204
28
0.5317 0.5392 0.5467
73
3.271
3.340
3.412
29
0.5543 0.5619 0.5696
74
3.487
3.566
3.647
30
0.5774 0.5851
0.5930
75
3.732
3.821
3.914
31
0.6009 0.6088 0.6168
76
4.011
4.113
4.219
32
0.6249 0.6330 0.6412
77
4.331
4.449
4.574
33
0.6494 0.6577 0.6661
78
4.705
4.843
4.989
34
0.6745 0.6830 0.6916
79
5.145
5.309
5.485
35
0.7002 0.7089 0.7177
80
5.671
5.871
6.084
36
0.7265 0.7355 0.7445
81
6.314
6.561
6.827
37
0.7536 0.7627
0.7720
82
7.115
7.429
7.770
38
0.7813 0.7907 0.8002
83
8.144
8.556
9.010
39
0.8098 0.8195 0.8292
84
9.514 10.08
10.71
40
0.8391
0.8491
0.8591
85
11.43
12.25
13.20
41
0.8693 0.8796 0.8899
86
14.30
15.60
17.17
42
0.9004 0.9110 0.9217
87
19.08
21.47
24.54
43
0.9325 0.9435 0.9545
88
28.64
34.37
42.96
44
0.9657 0.9770 0.9884
89
57.29
85.94
171.9
T°
0'
20'
40'
T°
0'
20'
40'
0
0.0000
0.0058 0.0116
45
1.0000 • 1.012
1.024
1
0.0175 0.0233 0.0291
46
1.036
1.048
1.060
2
0.0349 0.0407
0.0466
47
1.072
1.085
1.098
3
0.0524 0.0582 0.0641
48
1.111
1.124
1.137
4
0.0699 0.0758 0.0816
49
1.150
1.164
1.178
5
0.0875 0.0934 0.0992
50
1.192
1.206
1.220
6
0.1051 0.1110 0.1169
51
1.235
1.250
1.265
7
0.1228 0.1287 0.1346
52
1.280
1.295
1.311
8
0.1405 0.1465 0.1524
53
1.327
1.343
1.360
9
0.1584 0.1644 0.1703
54
1.376
1.393
1.411
10
0.1763 0.1823 0.1883
55
1.428
1.446
1.464
11
0.1944 0.2004 0.2065
56
1.483
1.501
1.520
12
0.2126 0.2186 0.2247
57
1.540
1.560
1.580
13
0.2309 0.2370 0.2432
58
1.600
1.621
1.643
14
0.2493 0.2555 0.2617
59
1.664
1.686
1.709
15
0.2679 0.2742 0.2805
60
1.732
1.756
1.780
16
0.2867 0.2931
0.2994
61
1.804
1.829
1.855
17
0.3057 0.3121
0.3185
62
1.881
1.907
1.935
18
0.3249 0.3314 0.3378
63
1.963
1.991
2.020
19
0.3443 0.3508 0.3574
64
2.050
2.081
2.112
20
0.3640 0.3706 0.3772
65
2.145
2.177
2.211
21
0.3839 0.3906 0.3973
66
2.246
2.282
2.318
22
0.4040 0.4108 0.4176
67
2.356
2.394
2.434
23
0.4245 0.4314 0.4383
68
2.475
2.517
2.560
24
0.4452 0.4522 0.4592
69
2.605
2.651
2.699
25
0.4663 0.4734 0.4806
70
2.747
2.798
2.850
26
0.4877 0.4950 0.5022
71
2.904
2.960
3.018
27
0.5095 0.5169 0.5243
72
3.078
3.140
3.204
28
0.5317 0.5392 0.5467
73
3.271
3.340
3.412
29
0.5543 0.5619 0.5696
74
3.487
3.566
3.647
30
0.5774 0.5851
0.5930
75
3.732
3.821
3.914
31
0.6009 0.6088 0.6168
76
4.011
4.113
4.219
32
0.6249 0.6330 0.6412
77
4.331
4.449
4.574
33
0.6494 0.6577 0.6661
78
4.705
4.843
4.989
34
0.6745 0.6830 0.6916
79
5.145
5.309
5.485
35
0.7002 0.7089 0.7177
80
5.671
5.871
6.084
36
0.7265 0.7355 0.7445
81
6.314
6.561
6.827
37
0.7536 0.7627
0.7720
82
7.115
7.429
7.770
38
0.7813 0.7907 0.8002
83
8.144
8.556
9.010
39
0.8098 0.8195 0.8292
84
9.514 10.08
10.71
40
0.8391
0.8491
0.8591
85
11.43
12.25
13.20
41
0.8693 0.8796 0.8899
86
14.30
15.60
17.17
42
0.9004 0.9110 0.9217
87
19.08
21.47
24.54
43
0.9325 0.9435 0.9545
88
28.64
34.37
42.96
44
0.9657 0.9770 0.9884
89
57.29
85.94
171.9