θ（シータ） deg（角度）＝0°00’～11°50’の場合 　
deg（角度°） sinθの真数 cosθの真数 tanθの真数 cotθの真数
0° 00' .0000 1.0000 .0000 ∞ 90° 00'
10 .0029 1.0000 .0029 343.77 89° 50
20 .0058 1.0000 .0058 171.89 40
30 .0087 1.0000 .0087 114.59 30
40 .0116 0.9999 .0116 85.940 20
50 .0145 .9999 .0145 68.750 10
1° 00' .0175 .9998 .0175 57.290 00'
10 .0204 .9998 .0204 49.104 88° 50
20 .0233 .9997 .0233 42.964 40
30 .0262 .9997 .0262 38.188 30
40 .0291 .9996 .0291 34.368 20
50 .0320 .9995 .0320 31.242 10
2° 00' .0349 .9994 .0349 28.636 00'
10 .0378 .9993 .0378 26.432 87° 50
20 .0407 .9992 .0407 24.542 40
30 .0436 .9990 .0437 22.904 30
40 .0465 .9989 .0466 21.470 20
50 .0494 .9988 .0495 20.206 10
3° 00' .0523 .9986 .0524 19.081 00'
10 .0552 .9985 .0553 18.075 86° 50
20 .0581 .9983 .0582 17.169 40
30 .0610 .9981 .0612 16.350 30
40 .0640 .9980 .0641 15.605 20
50 .0669 .9978 .0670 14.924 10
4° 00' .0698 .9976 .0699 14.301 00'
10 .0727 .9974 .0729 13.727 85° 50
20 .0756 .9971 .0758 13.197 40
30 .0785 .9969 .0787 12.706 30
40 .0814 .9967 .0816 12.251 20
50 .0843 .9964 .0846 11.826 10
5° 00' .0872 .9962 .0875 11.430 00'
10 .0901 .9959 .0904 11.059 84° 50
20 .0929 .9957 .0934 10.712 40
30 .0958 .9954 .0963 10.385 30
40 .0987 .9951 .0992 10.078 20
50 .1016 .9948 .1022 9.7882 10
6° 00' .1045 .9945 .1051 9.5144 00'
10 .1074 .9942 .1080 9.2553 83° 50
20 .1103 .9939 .1110 9.0098 40
30 .1132 .9936 .1139 8.7769 30
40 .1161 .9932 .1169 8.5555 20
50 .1190 .9929 .1198 8.3450 10
7° 00' .1219 .9925 .1228 8.1443 00'
10 .1248 .9922 .1257 7.9530 82° 50
20 .1276 .9918 .1287 7.7704 40
30 .1305 .9914 .1317 7.5958 30
40 .1334 .9911 .1346 7.4287 20
50 .1363 .9907 .1376 7.2687 10
8° 00' .1392 .9903 .1405 7.1154 00'
10 .1421 .9899 .1435 6.9682 81° 50
20 .1449 .9894 .1465 6.8269 40
30 .1478 .9890 .1495 6.6912 30
40 .1507 .9886 .1524 6.5606 20
50 .1536 .9881 .1554 6.4348 10
9° 00' .1564 .9877 .1584 6.3138 00'
10 .1593 .9872 .1614 6.1970 80° 50
20 .1622 .9868 .1644 6.0844 40
30 .1650 .9863 .1673 5.9758 30
40 .1679 .9858 .1703 5.8708 20
50 .1708 .9853 .1733 5.7694 10
10° 00' .1736 .9848 .1763 5.6713 00'
10 .1765 .9843 .1793 5.5764 79° 50
20 .1794 .9838 .1823 5.4845 40
30 .1822 .9833 .1853 5.3955 30
40 .1851 .9827 .1883 5.3093 20
50 .1880 .9822 .1914 5.2257 10
11° 00' .1908 .9816 .1944 5.1446 00'
10 .1937 .9811 .1974 5.0658 78° 50
20 .1965 .9805 .2004 4.9894 40
30 .1994 .9799 .2035 4.9152 30
40 .2022 .9793 .2065 4.8430 20
50 .2051 .9787 .2095 4.7729 10
　 cosθの真数 sinθの真数 cotθの真数 tanθの真数 deg（角度°）
deg（角度）＝78°10’～90°00’の場合 θ（シータ）
θ（シータ） deg（角度）＝12°00’～23°50’の場合 　
deg（角度°） sinθの真数 cosθの真数 tanθの真数 cotθの真数
12° 00' .2079 .9781 .2126 4.7046 78° 00'
10 .2108 .9775 .2156 4.6382 77° 50
20 .2136 .9769 .2186 4.5736 40
30 .2164 .9763 .2217 4.5107 30
40 .2193 .9757 .2247 4.4494 20
50 .2221 .9750 .2278 4.3897 10
13° 00' .2250 .9744 .2309 4.3315 00'
10 .2278 .9737 .2339 4.2747 76° 50
20 .2306 .9730 .2370 4.2193 40
30 .2334 .9724 .2401 4.1653 30
40 .2363 .9717 .2432 4.1126 20
50 .2391 .9710 .2462 4.0611 10
14° 00' .2419 .9703 .2493 4.0108 00'
10 .2447 .9696 .2524 3.9617 75° 50
20 .2476 .9689 .2555 3.9136 40
30 .2504 .9681 .2586 3.8667 30
40 .2532 .9674 .2617 3.8208 20
50 .2560 .9667 .2648 3.7760 10
15° 00' .2588 .9659 .2679 3.7321 00'
10 .2616 .9652 .2711 3.6891 74° 50
20 .2644 .9644 .2742 3.6470 40
30 .2672 .9636 .2773 3.6059 30
40 .2700 .9628 .2805 3.5656 20
50 .2728 .9621 .2836 3.5261 10
16° 00' .2756 .9613 .2867 3.4874 00'
10 .2784 .9605 .2899 3.4495 73° 50
20 .2812 .9596 .2931 3.4124 40
30 .2840 .9588 .2962 3.3759 30
40 .2868 .9580 .2994 3.3402 20
50 .2896 .9572 .3026 3.3052 10
17° 00' .2924 .9563 .3057 3.2709 00'
10 .2952 .9555 .3089 3.2371 72° 50
20 .2979 .9546 .3121 3.2041 40
30 .3007 .9537 .3153 3.1716 30
40 .3035 .9528 .3185 3.1397 20
50 .3062 .9520 .3217 3.1084 10
18° 00' .3090 .9511 .3249 3.0777 00'
10 .3118 .9502 .3281 3.0475 71° 50
20 .3145 .9492 .3314 3.0178 40
30 .3173 .9483 .3346 2.9887 30
40 .3201 .9474 .3378 2.9600 20
50 .3228 .9465 .3411 2.9319 10
19° 00' .3256 .9455 .3443 2.9042 00'
10 .3283 .9446 .3476 2.8770 70° 50
20 .3311 .9436 .3508 2.8502 40
30 .3338 .9426 .3541 2.8239 30
40 .3365 .9417 .3574 2.7980 20
50 .3393 .9407 .3607 2.7725 10
20° 00' .3420 .9397 .3640 2.7475 00'
10 .3448 .9387 .3673 2.7228 69° 50
20 .3475 .9377 .3706 2.6985 40
30 .3502 .9367 .3739 2.6746 30
40 .3529 .9356 .3772 2.6511 20
50 .3557 .9346 .3805 2.6279 10
21° 00' .3584 .9336 .3839 2.6051 00'
10 .3611 .9325 .3872 2.5826 68° 50
20 .3638 .9315 .3906 2.5605 40
30 .3665 .9304 .3939 2.5386 30
40 .3692 .9293 .3973 2.5172 20
50 .3719 .9283 .4006 2.4960 10
22° 00' .3746 .9272 .4040 2.4751 00'
10 .3773 .9261 .4074 2.4545 67° 50
20 .3800 .9250 .4108 2.4342 40
30 .3827 .9239 .4142 2.4142 30
40 .3854 .9228 .4176 2.3945 20
50 .3881 .9216 .4210 2.3750 10
23° 00' .3907 .9205 .4245 2.3559 00'
10 .3934 .9194 .4279 2.3369 66° 50
20 .3961 .9182 .4314 2.3183 40
30 .3987 .9171 .4348 2.2998 30
40 .4014 .9159 .4383 2.2817 20
50 .4041 .9147 .4417 2.2637 10
　 cosθの真数 sinθの真数 cotθの真数 tanθの真数 deg（角度°）
deg（角度）＝66°10’～78°00’の場合 θ（シータ）
θ（シータ） deg（角度）＝24°00’～35°50’の場合 　
deg（角度°） sinθの真数 cosθの真数 tanθの真数 cotθの真数
24° 00' .4067 .9135 .4452 2.2460 66° 00'
10 .4094 .9124 .4487 2.2286 65° 50
20 .4120 .9112 .4522 2.2113 40
30 .4147 .9100 .4557 2.1943 30
40 .4173 .9088 .4592 2.1775 20
50 .4200 .9075 .4628 2.1609 10
25° 00' .4226 .9063 .4663 2.1445 00'
10 .4253 .9051 .4699 2.1283 64° 50
20 .4279 .9038 .4734 2.1123 40
30 .4305 .9026 .4770 2.0965 30
40 .4331 .9013 .4806 2.0809 20
50 .4358 .9001 .4841 2.0655 10
26° 00' .4384 .8988 .4877 2.0503 00'
10 .4410 .8975 .4913 2.0353 63° 50
20 .4436 .8962 .4950 2.0204 40
30 .4462 .8949 .4986 2.0057 30
40 .4488 .8936 .5022 1.9912 20
50 .4514 .8923 .5059 1.9768 10
27° 00' .4540 .8910 .5095 1.9626 00'
10 .4566 .8897 .5132 1.9486 62° 50
20 .4592 .8884 .5169 1.9347 40
30 .4617 .8870 .5206 1.9210 30
40 .4643 .8857 .5243 1.9074 20
50 .4669 .8843 .5280 1.8940 10
28° 00' .4695 .8829 .5317 1.8807 00'
10 .4720 .8816 .5354 1.8676 61° 50
20 .4746 .8802 .5392 1.8546 40
30 .4772 .8788 .5430 1.8418 30
40 .4797 .8774 .5467 1.8291 20
50 .4823 .8760 .5505 1.8165 10
29° 00' .4848 .8746 .5543 1.8040 00'
10 .4874 .8732 .5581 1.7917 60° 50
20 .4899 .8718 .5619 1.7796 40
30 .4924 .8704 .5658 1.7675 30
40 .4950 .8689 .5696 1.7556 20
50 .4975 .8675 .5735 1.7437 10
30° 00' .5000 .8660 .5774 1.7321 00'
10 .5025 .8646 .5812 1.7205 59° 50
20 .5050 .8631 .5851 1.7090 40
30 .5075 .8616 .5890 1.6977 30
40 .5100 .8601 .5930 1.6864 20
50 .5125 .8587 .5969 1.6753 10
31° 00' .5150 .8572 .6009 1.6643 00'
10 .5175 .8557 .6048 1.6534 58° 50
20 .5200 .8542 .6088 1.6426 40
30 .5225 .8526 .6128 1.6319 30
40 .5250 .8511 .6168 1.6212 20
50 .5275 .8496 .6208 1.6107 10
32° 00' .5299 .8480 .6249 1.6003 00'
10 .5324 .8465 .6289 1.5900 57° 50
20 .5348 .8450 .6330 1.5798 40
30 .5373 .8434 .6371 1.5697 30
40 .5398 .8418 .6412 1.5597 20
50 .5422 .8403 .6453 1.5497 10
33° 00' .5446 .8387 .6494 1.5399 00'
10 .5471 .8371 .6536 1.5301 56° 50
20 .5495 .8355 .6577 1.5204 40
30 .5519 .8339 .6619 1.5108 30
40 .5544 .8323 .6661 1.5013 20
50 .5568 .8307 .6703 1.4919 10
34° 00' .5592 .8290 .6745 1.4826 00'
10 .5616 .8274 .6787 1.4733 55° 50
20 .5640 .8258 .6830 1.4641 40
30 .5664 .8241 .6873 1.4550 30
40 .5688 .8225 .6916 1.4460 20
50 .5712 .8208 .6959 1.4370 10
35° 00' .5736 .8192 .7002 1.4281 00'
10 .5760 .8175 .7046 1.4193 54° 50
20 .5783 .8158 .7089 1.4106 40
30 .5807 .8141 .7133 1.4019 30
40 .5831 .8124 .7177 1.3934 20
50 .5854 .8107 .7221 1.3848 10
　 cosθの真数 sinθの真数 cotθの真数 tanθの真数 deg（角度°）
deg（角度）＝54°10’～66°00’の場合 θ（シータ）
θ（シータ） deg（角度）＝36°00’～45°00’の場合 　
deg（角度°） sinθの真数 cosθの真数 tanθの真数 cotθの真数
36° 00' .5878 .8090 .7265 1.3764 54° 00'
10 .5901 .8073 .7310 1.3680 53° 50
20 .5925 .8056 .7355 1.3597 40
30 .5948 .8039 .7400 1.3514 30
40 .5972 .8021 .7445 1.3432 20
50 .5995 .8004 .7490 1.3351 10
37° 00' .6018 .7986 .7536 1.3270 00'
10 .6041 .7969 .7581 1.3190 52° 50
20 .6065 .7951 .7627 1.3111 40
30 .6088 .7934 .7673 1.3032 30
40 .6111 .7916 .7720 1.2954 20
50 .6134 .7898 .7766 1.2876 10
38° 00' .6157 .7880 .7813 1.2799 00'
10 .6180 .7862 .7860 1.2723 51° 50
20 .6202 .7844 .7907 1.2647 40
30 .6225 .7826 .7954 1.2572 30
40 .6248 .7808 .8002 1.2497 20
50 .6271 .7790 .8050 1.2423 10
39° 00' .6293 .7771 .8098 1.2349 00'
10 .6316 .7753 .8146 1.2276 50° 50
20 .6338 .7735 .8195 1.2203 40
30 .6361 .7716 .8243 1.2131 30
40 .6383 .7698 .8292 1.2059 20
50 .6406 .7679 .8342 1.1988 10
40° 00' .6428 .7660 .8391 1.1918 00'
10 .6450 .7642 .8441 1.1847 49° 50
20 .6472 .7623 .8491 1.1778 40
30 .6494 .7604 .8541 1.1708 30
40 .6517 .7585 .8591 1.1640 20
50 .6539 .7566 .8642 1.1571 10
41° 00' .6561 .7547 .8693 1.1504 00'
10 .6583 .7528 .8744 1.1436 48° 50
20 .6604 .7509 .8796 1.1369 40
30 .6626 .7490 .8847 1.1303 30
40 .6648 .7470 .8899 1.1237 20
50 .6670 .7451 .8952 1.1171 10
42° 00' .6691 .7431 .9004 1.1106 00'
10 .6713 .7412 .9057 1.1041 47° 50
20 .6734 .7392 .9110 1.0977 40
30 .6756 .7373 .9163 1.0913 30
40 .6777 .7353 .9217 1.0850 20
50 .6799 .7333 .9271 1.0786 10
43° 00' .6820 .7314 .9325 1.0724 00'
10 .6841 .7294 .9380 1.0661 46° 50
20 .6862 .7274 .9435 1.0599 40
30 .6884 .7254 .9490 1.0538 30
40 .6905 .7234 .9545 1.0477 20
50 .6926 .7214 .9601 1.0416 10
44° 00' .6947 .7193 .9657 1.0355 00'
10 .6967 .7173 .9713 1.0295 45° 50
20 .6988 .7153 .9770 1.0235 40
30 .7009 .7133 .9827 1.0176 30
40 .7030 .7112 .9884 1.0117 20
50 .7050 .7092 .9942 1.0058 10
45° 00' .7071 .7071 1.0000 1.0000 00'
　 cosθの真数 sinθの真数 cotθの真数 tanθの真数 deg（角度°）
deg（角度）＝45°00’～54°00’の場合 θ（シータ）

真数表から三角関数の真数を求める方法