0 0 .00 1000 1002 10051007 1009| 1012 1014 1016| 1019 1021 0 .21 || 1622 1626 1629 1633 1637 1641 1644 1648 1652 1656 .24 1738 1742 1746 1750 1754 1758 1762 1766| 1770 1774|| 0 1 1 .27 ||1862 1866 1871 1875 1879 1884 1888 1892 1897 1901 0 11 .44 2754 2761 2767 2773 2780 2786 2793 2799 2805 2812 .47 2951 2958 2965 2972 2979 2985 2992 2999 3006 3013 .483020 3027 3034 3041 3048 3055 3062 3069 3076 3083 1 1 2 001 0 0 1 0 0 1 0 0 1 0 1 1 01 1 2 3 4 5 6 7 8 9 1 2 3 .50|| 3162 3170 3177 3184 3192 3199| 3206| 3214| 3221 3228 1 1 2 .51 || 3236 3243] 3251| 3258| 3266 3273| 3281 3289 3296 3304 1 1 2 .52 || 3311| 3319| 3327| 3334| 3342| 3350| 3357| 3365| 3373 3381 1 1 2 .53 3388 3396 3404 3412 3420 3428] 3436] 3443 3451 3459 1 2 2 .54|| 3467 3475| 3483| 3491 3499 3508] 3516] 3524| 3532 3540 1 2 2 55 3548| 3556| 3565| 3573| 3581 3589 3597| 3606| 3614 3622| 1 2 2 .563631 3639 3648 3656| 3664| 3673 3681 3690 3698 3707 1 2 2 .57|| 3715 3724 3733 3741| 3750| 3758 3767| 3776 3784 3793| 1 2 3 .58 3802 3811| 3819 3828 38373846| 3855| 3864 3873 3882 1 2 3 .59 3890 3899 3908 3917 3926 3936 3945 3954 3963 3972 1 2 3 .60 || 3981 3990 3999 4009| 4018 4027| 4036| 4046| 4055 4064| 1 2 3 .61 4074 4083 4093 4102 4111 4121 4130 4140 4150 4159 1 2 3 .62|| 4169 4178 4188 4198 4207 4217 4227 4236| 4246 4256| 1 2 3 .63 || 4266| 4276 4285 4295| 4305 4315 4325 4335] 4345 4355] 1 2 3 .64 4365 4375 4385 4395| 4406| 4416| 4426| 4436| 4446 4457 1 2 3 .65|| 4467 4477 4487 4498) 4508| 4519 4529 4539 4550 4560 1 2 3 .66|| 4571 4581| 4592| 4603| 4613| 4624| 4634| 4645| 4656 4667| 1 2 3 .67|| 4677 4688 4699 4710| 4721| 4732 4742 4753| 4764 4775 1 2 3 .68|| 4786 4797 4808 4819 4831 4842 4853 4864 4875 4887 1 2 3 .69||4898 4909 4920 4932 4943 4955 4966 4977 4989 5000 1 2 3 .70 5012 50235035 5047| 5058 5070| 5082 5093 5105 5117 1 2 3 .71 5129 5140 5152 5164 5176 5188| 5200| 5212| 5224| 5236 1 2 4 .72 5248 5260 5272 5284 5297 5309 5321 5333 5346 5358 1 2 4 .73 5370 5383 5395 5408 5420 5433 5445 5458 5470 5483 1 3 4 .74 || 5495 5508 5521 5534| 5546 5559 5572 5585 5598 5610 1 3 4 .75 5623| 5636 5649 5662 5675| 5689| 5702| 5715| 5728 5741| 1 3 4 .76 5754 5768 5781 5794 5808 5821 5834 5848 5861 5875 1 3 4 .77 5888 5902 5916 5929 5943 5957 5970 5984 5998 6012 1 3 4 .786026 6039 6053 6067 6081 6095 6109 6124 6138 6152 1 3 4 .79 6166 6180 6194 6209 6223 6237 6252 6266 6281 6295 1 3 4 .80 6310 6324 6339 6353 6368 6383 6397 6412 6427 6442 1 3 4 .81 6457 6471 6486 6501 6516 6531 6546 6561 6577 6592 2 3 5 .826607 6622 6637 6653 6668 6683 6699 6714 6730 6745 2 3 5 .83 || 6761 6776 6792 6808 6823 6839 6855 6871 6887 6902 2 3 CO .846918 6934 6950 6966 6982 6998 7015 7031 7047 7063 2 3 9333 9354 9376 9397 9419 9441 9462 9484 95069528 2 4 6 .989550 9572 9594 9616 9638 9661 9683 9705 9727 9750 2 4 7 [Characteristics of Logarithms omitted - determine by the usual rule from the value] .0000 COSINE Log10 1.0000 .0000 90° 00' 1.5708 .9999 .0000 SINE 3° 00' .0523 .7188.0524 .7194 19.081 .2806 RADIANS DEGREES .0000 .0029 .0058 .0087 .0116 .0145 .0175 .0204 .0233 .0262 .0291 .0320 .0349 .0378 .0407 .0436 .0465 .0495 .0524 .0553 .0582 .0611 .0640 .0669 .0698 .0727 .0756 .0785 .0814 .0844 .0873 ,0902 .0931 .0960 .0989 .1018 .1047 .1076 .1105 .1134 .1164 .1193 .1222 .1251 .1280 .1309 .1338 .1367 .1396 .1425 .1454 .1484 .1513 .1542 .1571 4° 00' .0698 .8436 .0699 .8446 14.301 .1554 [Characteristics of Logarithms omitted-determine by the usual rule from the value] 9°00' .1564 .1943 .1584 .1997 6.3138 .8003.9877 .9946 81° 00' 1.4137 50 1.4108 40 1.4079 30 1.4050 20 1.4021 .1622 .2100.1644 .2158 6.0844 .7842.9868 .9942 30.1650 .2176|.1673 .2236 | 5.9758 .7764.9863 .9940 40.1679 .2251 .1703 .2313 5.8708 .7687.9858 .9938 50.1708 .2324 .1733 .2389 5.7694 .7611.9853 .9936 10° 00' .1736 .2397.1763 .2463 5.6713 .7537 .9848 .9934 | 80° 00′| 1.3963 .1571 .1600 .1629 .1658 .1687 .1716 .1745 .1774 .1804 .1833 .1862 .1891 .1920 .1949 .1978 .2007 .2036 .2065 .2094 .2123 .2153 .2182 .2211 .2240 .2269 .2298 .2327 .2356 .2385 .2414 .2443 .2473 .2502 .2531 .2560 .2589 .2618 .2647 .2676 .2705 .2734 .2763 .2793 .2822 .2851 .2880 .2909 .2938 .2967 .2996 .3025 .3054 .3083 .3113 .3142 10.1765 .2468.1793 .25365.5764 .7464.9843 .9931 20.1794 .2538.1823 .2609|5.4845 .7391 .9838 .9929 30.1822 .2606 .1853 .26805.3955 .7320 .9833 .9927 40.1851 .2674 .1883 .2750 | 5.3093 .7250 .9827 .9924 50.1880 .2740 .1914 .2819 5.2257 .7181 .9822 .9922 11° 00' .1908 .2806 .1944 .2887 5.1446 .7113 .9816 .9919 10.1937 .2870.1974 .2953 5.0658 .7047 .9811 .9917 20 .1965 .2934.2004 .3020 4.9894 .6980 .9805 .9914 30 .1994 .2997.2035 .30854.9152 .6915 .6915.9799 .9912 40.2022 .3058.2065 .3149 4.8430 .6851.9793 .9909 50.2051 .3119.2095 .3212 4.7729 .6788 .9787 .9907 12° 00' .2079 .3179 .2126 .3275 4.7046 .6725 .9781 .9904 10.2108 .3238.2156 .33364.6382 6664.9775 .9901 20.2136 .3296.2186 .3397 4.5736 .6603.9769 .9899 30.2164.3353.2217 .3458 4.5107 .6542 .9763 .9896 40.2193 .3410.2247 .35174.4494 .6483|.9757 .9893 50.2221 .3466.2278 .3576 4.3897 .6424.9750 .9890 13°00'.2250.3521.2309 .36344.3315 .6366 .2309 .3634 4.3315 .6366 .9744 .9887 77°00′ 1.3439 .9744.9887 10.2278 .3575.2339 .36914.2747 .6309 .9737 .9884 20.2306 .3629.2370 .3748 4.2193 .6252.9730 .9881 30.2334 .3682 .2401 .3804 4.1653 .6196.9724 .9878 40.2363 .3734 .2432 .3859 4.1126 .6141 .9717 .9875 50.2391 .3786.2462 .3914 4.0611 .6086.9710 .9872 14° 00' .2419 .3837.2493 .3968 4.0108 .6032 .9703 .9869 76°00' 1.3265 10.2447 .3887.2524 .4021 3.9617 .5979 .5979.9696 .9866 20.2476 .3937.2555 .4074 3.9136 .5926.9689 .9863 30.2504 .3986.2586 .4127|3.8667 .5873.9681 .9859 40.2532 .4035.2617 .4178 3.8208 .5822 | .9674 .9856 50.2560 .4083.2648 .4230 3.7760 .5770.9667 .9853 15°00'.2588 .4130 .2679 .4281 3.7321 .5719 .9659 .9849 75° 00' 10 .2616 .4177 .2711 .4331 3.6891 .5669.9652 .9846 20 .2644 .4223|.2742 .4381|3.6470 .5619.9644 .9843 30.2672 .4269.2773 .44303 6059 .5570.9636 .9839 40.2700 4314.2805 .44793.5656 .5521.9628 .9836 50.2728 .4359.2836 .45273.5261 .5473.9621 .9832 16° 00' .2756 .4403 .2867 .4575 3.4874 .5425 .9613 .9828 74° 00' 10.2784 .4447 .2899 .4622 3.4495 .5378.9605 .9825 20.2812 .4491.2931 .2931 .4669 3.4124 .5331.9596 .9821 30.2840 .4533|.2962 .47163.3759 .5284.9588 .9817 40.2868 .4576 .2994 .4762 3.3402 .5238 .9580 .9814 .5238.9580 50.2896 .4618.3026 .4808 3.3052 .5192.9572 .9810 | 17°00' .2924 .4659 .3057 .4853 3.2709 .5147 .9563 .9806 .4659.3057 10.2952 .4700 .3089 .4898 3.2371 .5102 .9555 .9802 20 .2979 .4741 .3121 .4943 3.2041 .5057 .9546 .9798 | | 30.3007 .4781.3153 .4987 3.1716 .5013.9537 .9794 40.3035 .4821.3185 .5031 3.1397 .4969.9528 .9790 50.3062 .4861.3217 .5075 3.1084 .4925 .9520 .9786 50 1.3235 40 1.3206 30 1.3177 20 1.3148 10 1.3119 1.3090 50 1.3061 40 1.3032 30 1.3003 20 1.2974 10 1.2945 1.2915 50 1.2886 40 1.2857 30 1.2828 20❘ 1.2799 10 1.2770 73° 00' 1.2741 73°00′ 50 1.2712 40 1.2683 30 1.2654 20 1.2625 10 1.2595 18° 00' .3090 .4900 .3249 .5118 3.0777 .4882.9511 .9782 72° 00′ 1.2566 Value Logo Value Log10 Value Log10 DEGREES RADIANS [Characteristics of Logarithms omitted - determine by the usual rule from the value] .3142 18° 00' .3090 .4900 .3249 .5118 3.0777 .4882.9511 .978272° 00' 1.2566 10.3118 .4939.3281 .5161 | 3.0475 .4839.9502 .9778 20.3145 .4977.3314 .5203 3.0178 .4797 .9492 .9774 30.3173 .5015.3346 .5245 2.9887 .4755.9483 .9770 .3171 .3200 .3229 .3258 .3287 .3316 .3345 .3374 .3403 .3432 .3462 .3491 .3520 .3549 .3578 .3607 .3636 .3665 .3694 .3723 .3752 .3782 .3811 .3840 .3869 .3898 .3927 .3956 .3985 .4014 .4043 .4072 .4102 .4131 .4160 .4189 .4218 .4247 .4276 .4305 .4334 .4363 .4392 .4422 .4451 .4480 .4509 .4538 .4567 .4596 .4625 .4654 .4683 40.3201 .5052.3378 .5287 2.9600 .4713.9474 .9765 50.3228 .5090 .3411 .5329 2.9319 .4671.9465 .9761 .53292.9319 19° 00' .3256 .5126.3443 10 1.2246 70° 00' 1.2217 50 1.2188 10.3283 .5163.3476 .5411 2.8770 .4589 .9446 .9752 22° 00' 3746 .5736 .4040 .6064 2.4751 .3936 .9272 .9672 20.3961 .5978 4314 .6348 2.3183 30.3987 .6007 .4348 .6383 2.2998 40 .4014 .6036.4383 .6417 2.2817 50.4041 .6065 .4417 .6452 2.2637 24°00' .4067 .6093 .4452 .6486 2.2460 3514.9135 .9607 66° 00' 10.4094 .6121.4487 .6520 2 2286 .3480 .6520 2 2286 .3480.9124 .9602 50 20.4120 .6149 .4522 .6553 2.2113 .3447.9112 .9596 30.4147 .6177.4557 .6587 2.1943 .3413.9100 .9590 40.4173 .6205.4592 .6620 2.1775 .3380 .9088 .9584 .66202.1775 .3380.9088 50.4200 .6232.4628 .6654 2.1609 .3346.9075 .9579 25° 00 .4226 .6259.4663 .6687 2.1445 .3313.9063 .9573 65°00′| 1.1345 | 10.4253 .6286 .4699 .6720 2.1283 .3280.9051 .9567 | 20.4279 .6313 .4734 .6752 2.1123 .3248.9038 .9561 30.4305 .6340 .4770 .6785 2.0965 .3215.9026 .9555 | | 40.4331 .6366 .4806 .6817 | 2.0809 .3183.9013 .9549 50.4358 .6392 .4841 .6850 2.0655 .3150.9001 .9543 | 26° 00' .4384 .6418 .4877 .6882 2.0503 .3118 .8988 .9537 10.4410 .6444 .4913 .6914 2.0353 .3086.8975 .9530 20.4436 .6470.4950 .69462.0204 .3054.8962 .9524 30.4462 .6495 .4986 .6977 2.0057 .3023 .8949 .9518 | 40.4488 .6521 .5022 .7009 1.9912 .2991.8936 .9512 50.4514 .6546 | .5059 .70401.9768 .2960.8923 .9505 50 1.1316 40 1.1286 30 1.1257 20 1.1228 10 1.1199 64° 00' 1.1170 50 1.1141 40 1.1112 30 1.1083 20 1.1054 10 1.1025 .4712 27° 00' .4540 .6570.5095 .7072 1.9626 .2928 .8910 .9499 63° 00' 1.0996 |