American Electricians' Handbook, Fourteenth Edition

1. Natural Trigonometric Functions
| Angle ( ? or lag angle), deg | Sine (or reactive factor) | Cosine (or power factor) | Tangent | Cotangent | Secant | Cosecant | Angle ( ? or lag angle), deg |
|---|---|---|---|---|---|---|---|
| 0 1 2 3 4 5 | 0.00000 0.01774 0.03490 0.05234 0.06976 0.08715 | 1.00000 0.99985 0.99939 0.99863 0.99756 0.99619 | 0.00000 0.01745 0.03492 0.05241 0.06993 0.08749 | Infinite 57.290 28.636 19.081 14.301 11.430 | 1.0000 1.0001 1.0006 1.0014 1.0024 1.0038 | Infinite 57.299 28.654 19.107 14.335 11.474 | 180 179 178 177 176 175 |
| 6 7 8 9 10 | 0.10453 0.12187 0.13917 0.15643 0.17365 | 0.99452 0.99255 0.99027 0.98769 0.98481 | 0.10510 0.12278 0.14054 0.15838 0.17633 | 9.5144 8.1443 7.1154 6.3137 5.6713 | 1.0055 1.0075 1.0098 1.0125 1.0154 | 9.5668 8.2055 7.1853 6.3924 5.7588 | 174 173 172 171 170 |
| 11 12 13 14 15 | 0.19081 0.20791 0.22495 0.24192 0.25882 | 0.98163 0.97815 0.97437 0.97029 0.96592 | 0.19438 0.21256 0.23087 0.24933 0.26795 | 5.1445 4.7046 4.3315 4.0108 3.7320 | 1.0187 1.0223 1.0263 1.0306 1.0353 | 5.2408 4.8097 4.4454 4.1336 3.8637 | 169 168 167 166 165 |
| 16 17 18 19 20 | 0.27564 0.29237 0.30902 0.32557 0.34203 | 0.96126 0.95630 0.95106 0.94552 0.93969 | 0.28674 0.30573 0.32492 0.34433 0.36397 | 3.4874 3.2708 3.0777 2.9042 2.7475 | 1.0403 1.0457 1.0515 1.0576 1.0642 | 3.6279 3.4203 3.2361 3.0715 2.9238 | 164 163 162 161 160 |
| 21 22 23 24 25 | 0.35837 0.37461 0.39073 0.40674 0.42262 | 0.93358 0.92718 0.92050 0.91354 0.90631 | 0.38386 0.40403 0.42447 0.44523 0.46631 | 2.6051 2.4751 2.3558 2.2460 2.1445 | 1.0711 1.0785 1.0864 1.0946 1.1034 | 2.7904 2.6695 2.5593 2.4586 2.3662 | 159 158 157 156 155 |
| 26 27 28 29 30 | 0.43837 0.45399 |