Таблица котангенсов угловот 0° - 360°. Углы с шагом в 1°.

сtg(0°) как и сtg(360°) не определен. Точная, но чуть более сложная таблица ( с точностью до 1") здесь.

Углы 1° - 90°	Углы 91 ° - 180°	Углы 181° - 270°	Углы 271 ° - 360°
Угол ctg 1° ctg=57.2900 2° ctg=28.6363 3° ctg=19.0811 4° ctg=14.3007 5° ctg=11.4301 6° ctg=9.5144 7° ctg=8.1443 8° ctg=7.1154 9° ctg=6.3138 10° ctg=5.6713 11° ctg=5.1446 12° ctg=4.7046 13° ctg=4.3315 14° ctg=4.0108 15° ctg=3.7321 16° ctg=3.4874 17° ctg=3.2709 18° ctg=3.0777 19° ctg=2.9042 20° ctg=2.7475 21° ctg=2.6051 22° ctg=2.4751 23° ctg=2.3559 24° ctg=2.2460 25° ctg=2.1445 26° ctg=2.0503 27° ctg=1.9626 28° ctg=1.8807 29° ctg=1.8040 30° ctg=1.7321 31° ctg=1.6643 32° ctg=1.6003 33° ctg=1.5399 34° ctg=1.4826 35° ctg=1.4281 36° ctg=1.3764 37° ctg=1.3270 38° ctg=1.2799 39° ctg=1.2349 40° ctg=1.1918 41° ctg=1.1504 42° ctg=1.1106 43° ctg=1.0724 44° ctg=1.0355 45° ctg=1.0000 46° ctg=0.9657 47° ctg=0.9325 48° ctg=0.9004 49° ctg=0.8693 50° ctg=0.8391 51° ctg=0.8098 52° ctg=0.7813 53° ctg=0.7536 54° ctg=0.7265 55° ctg=0.7002 56° ctg=0.6745 57° ctg=0.6494 58° ctg=0.6249 59° ctg=0.6009 60° ctg=0.5774 61° ctg=0.5543 62° ctg=0.5317 63° ctg=0.5095 64° ctg=0.4877 65° ctg=0.4663 66° ctg=0.4452 67° ctg=0.4245 68° ctg=0.4040 69° ctg=0.3839 70° ctg=0.3640 71° ctg=0.3443 72° ctg=0.3249 73° ctg=0.3057 74° ctg=0.2867 75° ctg=0.2679 76° ctg=0.2493 77° ctg=0.2309 78° ctg=0.2126 79° ctg=0.1944 80° ctg=0.1763 81° ctg=0.1584 82° ctg=0.1405 83° ctg=0.1228 84° ctg=0.1051 85° ctg=0.0875 86° ctg=0.0699 87° ctg=0.0524 88° ctg=0.0349 89° ctg=0.0175 90° ctg=0	Угол ctg 91° ctg=-0.0175 92° ctg=-0.0349 93° ctg=-0.0524 94° ctg=-0.0699 95° ctg=-0.0875 96° ctg=-0.1051 97° ctg=-0.1228 98° ctg=-0.1405 99° ctg=-0.1584 100° ctg=-0.1763 101° ctg=-0.1944 102° ctg=-0.2126 103° ctg=-0.2309 104° ctg=-0.2493 105° ctg=-0.2679 106° ctg=-0.2867 107° ctg=-0.3057 108° ctg=-0.3249 109° ctg=-0.3443 110° ctg=-0.3640 111° ctg=-0.3839 112° ctg=-0.4040 113° ctg=-0.4245 114° ctg=-0.4452 115° ctg=-0.4663 116° ctg=-0.4877 117° ctg=-0.5095 118° ctg=-0.5317 119° ctg=-0.5543 120° ctg=-0.5774 121° ctg=-0.6009 122° ctg=-0.6249 123° ctg=-0.6494 124° ctg=-0.6745 125° ctg=-0.7002 126° ctg=-0.7265 127° ctg=-0.7536 128° ctg=-0.7813 129° ctg=-0.8098 130° ctg=-0.8391 131° ctg=-0.8693 132° ctg=-0.9004 133° ctg=-0.9325 134° ctg=-0.9657 135° ctg=-1.0000 136° ctg=-1.0355 137° ctg=-1.0724 138° ctg=-1.1106 139° ctg=-1.1504 140° ctg=-1.1918 141° ctg=-1.2349 142° ctg=-1.2799 143° ctg=-1.3270 144° ctg=-1.3764 145° ctg=-1.4281 146° ctg=-1.4826 147° ctg=-1.5399 148° ctg=-1.6003 149° ctg=-1.6643 150° ctg=-1.7321 151° ctg=-1.8040 152° ctg=-1.8807 153° ctg=-1.9626 154° ctg=-2.0503 155° ctg=-2.1445 156° ctg=-2.2460 157° ctg=-2.3559 158° ctg=-2.4751 159° ctg=-2.6051 160° ctg=-2.7475 161° ctg=-2.9042 162° ctg=-3.0777 163° ctg=-3.2709 164° ctg=-3.4874 165° ctg=-3.7321 166° ctg=-4.0108 167° ctg=-4.3315 168° ctg=-4.7046 169° ctg=-5.1446 170° ctg=-5.6713 171° ctg=-6.3138 172° ctg=-7.1154 173° ctg=-8.1443 174° ctg=-9.5144 175° ctg=-11.4301 176° ctg=-14.3007 177° ctg=-19.0811 178° ctg=-28.6363 179° ctg=-57.2900 180° ctg не определен	Угол ctg 181° ctg=57.2900 182° ctg=28.6363 183° ctg=19.0811 184° ctg=14.3007 185° ctg=11.4301 186° ctg=9.5144 187° ctg=8.1443 188° ctg=7.1154 189° ctg=6.3138 190° ctg=5.6713 191° ctg=5.1446 192° ctg=4.7046 193° ctg=4.3315 194° ctg=4.0108 195° ctg=3.7321 196° ctg=3.4874 197° ctg=3.2709 198° ctg=3.0777 199° ctg=2.9042 200° ctg=2.7475 201° ctg=2.6051 202° ctg=2.4751 203° ctg=2.3559 204° ctg=2.2460 205° ctg=2.1445 206° ctg=2.0503 207° ctg=1.9626 208° ctg=1.8807 209° ctg=1.8040 210° ctg=1.7321 211° ctg=1.6643 212° ctg=1.6003 213° ctg=1.5399 214° ctg=1.4826 215° ctg=1.4281 216° ctg=1.3764 217° ctg=1.3270 218° ctg=1.2799 219° ctg=1.2349 220° ctg=1.1918 221° ctg=1.1504 222° ctg=1.1106 223° ctg=1.0724 224° ctg=1.0355 225° ctg=1.0000 226° ctg=0.9657 227° ctg=0.9325 228° ctg=0.9004 229° ctg=0.8693 230° ctg=0.8391 231° ctg=0.8098 232° ctg=0.7813 233° ctg=0.7536 234° ctg=0.7265 235° ctg=0.7002 236° ctg=0.6745 237° ctg=0.6494 238° ctg=0.6249 239° ctg=0.6009 240° ctg=0.5774 241° ctg=0.5543 242° ctg=0.5317 243° ctg=0.5095 244° ctg=0.4877 245° ctg=0.4663 246° ctg=0.4452 247° ctg=0.4245 248° ctg=0.4040 249° ctg=0.3839 250° ctg=0.3640 251° ctg=0.3443 252° ctg=0.3249 253° ctg=0.3057 254° ctg=0.2867 255° ctg=0.2679 256° ctg=0.2493 257° ctg=0.2309 258° ctg=0.2126 259° ctg=0.1944 260° ctg=0.1763 261° ctg=0.1584 262° ctg=0.1405 263° ctg=0.1228 264° ctg=0.1051 265° ctg=0.0875 266° ctg=0.0699 267° ctg=0.0524 268° ctg=0.0349 269° ctg=0.0175 270° сtg=0	Угол ctg 271° ctg=-0.0175 272° ctg=-0.0349 273° ctg=-0.0524 274° ctg=-0.0699 275° ctg=-0.0875 276° ctg=-0.1051 277° ctg=-0.1228 278° ctg=-0.1405 279° ctg=-0.1584 280° ctg=-0.1763 281° ctg=-0.1944 282° ctg=-0.2126 283° ctg=-0.2309 284° ctg=-0.2493 285° ctg=-0.2679 286° ctg=-0.2867 287° ctg=-0.3057 288° ctg=-0.3249 289° ctg=-0.3443 290° ctg=-0.3640 291° ctg=-0.3839 292° ctg=-0.4040 293° ctg=-0.4245 294° ctg=-0.4452 295° ctg=-0.4663 296° ctg=-0.4877 297° ctg=-0.5095 298° ctg=-0.5317 299° ctg=-0.5543 300° ctg=-0.5774 301° ctg=-0.6009 302° ctg=-0.6249 303° ctg=-0.6494 304° ctg=-0.6745 305° ctg=-0.7002 306° ctg=-0.7265 307° ctg=-0.7536 308° ctg=-0.7813 309° ctg=-0.8098 310° ctg=-0.8391 311° ctg=-0.8693 312° ctg=-0.9004 313° ctg=-0.9325 314° ctg=-0.9657 315° ctg=-1.0000 316° ctg=-1.0355 317° ctg=-1.0724 318° ctg=-1.1106 319° ctg=-1.1504 320° ctg=-1.1918 321° ctg=-1.2349 322° ctg=-1.2799 323° ctg=-1.3270 324° ctg=-1.3764 325° ctg=-1.4281 326° ctg=-1.4826 327° ctg=-1.5399 328° ctg=-1.6003 329° ctg=-1.6643 330° ctg=-1.7321 331° ctg=-1.8040 332° ctg=-1.8807 333° ctg=-1.9626 334° ctg=-2.0503 335° ctg=-2.1445 336° ctg=-2.2460 337° ctg=-2.3559 338° ctg=-2.4751 339° ctg=-2.6051 340° ctg=-2.7475 341° ctg=-2.9042 342° ctg=-3.0777 343° ctg=-3.2709 344° ctg=-3.4874 345° ctg=-3.7321 346° ctg=-4.0108 347° ctg=-4.3315 348° ctg=-4.7046 349° ctg=-5.1446 350° ctg=-5.6713 351° ctg=-6.3138 352° ctg=-7.1154 353° ctg=-8.1443 354° ctg=-9.5144 355° ctg=-11.4301 356° ctg=-14.3007 357° ctg=-19.0811 358° ctg=-28.6363 359° ctg=-57.2900 360° ctg не определен