TABLE IV CONTD. NATURAL TRIGONOMETRICAL FUNCTIONS Angle Sin. Tan. Sec. Cosec. Cotg. Cosin. 74 24 .4067 .4452 1.0946 2.459 2.246 .91355 66 10 .4094 .4487 1.0961 2.443 2.229 .91236 50 20 .4120 .4522 1.0975 2.427 2.211 .91116 40 30 .4147 .4557 1.0989 2.411 2.194 .90996 30 40 .4173 .4592 1.1004 2.396 2.177 .90875 20 50 .4200 .4628 1.1019 2.381 2.161 .90753 10 Angle Sin. Tan. Sec. Cosec. Cotg. Cosin. 16 .2756 .2867 1.0403 3.628 3.487 .96126 10 .2784 .2899 1.0412 3.592 3.450 .96046 20 .2812 .2931 1.0423 3.556 3.412 .95964 30 .2840 .2962 1.0429 3.521 3.376 .95882 40 .2868 .2994 1.0438 3.487 3.340 .95799 50 .2896 .3026 1.0448 3.453 3.305 .95715 17 .2924 .3057 1.0457 3.420 3.271 .95630 10 .2952 .3089 1.0466 3.388 3.237 .95545 20 .2979 .3121 1.0476 3.357 3.204 .95459 30 .3007 .3153 1.0485 3.326 3.172 .95372 40 .3035 .3185 1.0495 3.295 3.140 .95284 50 .3062 .3217 1.0505 3.265 3.108 .95195 18 .3099 .3249 1.0515 3.236 3.078 .95106 10 .3118 .3281 1.0525 3.207 3.048 .95015 20 .3145 .3314 1.0535 3.179 3.018 .94924 30 .3173 .3346 1.0545 3.152 2.989 .94832 40 .3201 .3378 1.0555 3.124 2.960 .94740 50 .3228 .3411 1.0566 3.098 2.932 .94646 19 .3256 .3443 1.0576 3.072 2.904 .94552 10 .3283 .3476 1.0587 3.046 2.877 .94457 20 .3311 .3508 1.0598 3.020 2.850 .94361 30 .3338 .3541 1.0608 2.996 2.824 .94264 40 .3365 .3574 1.0619 2.971 2.798 .94167 50 .3393 .3607 1.0631 2.947 2.773 .94068 20 .3420 .3640 1.0642 2.924 2.747 .93969 10 .3448 .3673 1.0653 2.900 2.723 .93869 20 .3475 .3706 1.0665 2.878 2.699 .93769 30 .3502 .3739 1.0676 2.856 2.675 .93667 40 .3529 .3772 1.0688 2.833 2.651 .93565 50 .3557 .3805 1.0700 2.811 2.628 .93462 21 .3584 .3839 1.0711 2.790 2.605 .93358 10 .3611 .3872 1.0723 2.769 2.583 .93253 20 .3638 .3906 1.0736 2.749 2.560 .93148 30 .3665 .3939 1.0748 2.729 2.539 .93042 40 .3692 .3973 1.0760 2.709 2.517 .92935 50 .3719 .4006 1.0773 2.689 2.496 .92827 22 .3746 .4040 1.0785 2.670 2.475 .92718 10 .3773 .4074 1.0798 2.650 2.455 .92609 20 .3800 .4108 1.0811 2.632 2.434 .92499 30 .3827 .4142 1.0824 2.613 2.414 .92388 40 .3854 .4176 1.0837 2.595 2.394 .92276 50 .3881 .4210 1.0850 2.577 2.375 .92164 23 .3907 .4245 1.0864 2.559 2.356 .92050 10 .3934 .4279 1.0877 2.542 2.337 .91936 20 .3961 .4314 1.0891 2.525 2.318 .91822 30 .3987 .4348 1.0904 2.508 2.300 .91706 40 .4014 .4383 1.0918 2.491 2.282 .91590 50 .4041 .4417 1.0932 2.475 2.264 .91472 Angle Sin. Tan. Sec. Cosec. Cotg. Cosin. 73 25 .4226 .4663 1.1034 2.366 2.145 .90631 65 10 .4253 .4699 1.1049 2.351 2.128 .90507 50 20 .4279 .4734 1.1064 2.337 2.112 .90383 40 30 .4305 .4770 1.1079 2.323 2.097 .90259 30 40 .4331 .4806 1.1095 2.309 2.081 .90133 20 50 .4358 .4841 1.1110 2.295 2.066 .90007 10 Angle Sin. Tan. Sec. Cosec. Cotg. Cosin. 72 26 .4384 .4877 1.1126 2.281 2.050 .89879 64 10 .4410 .4913 1.1142 2.268 2.035 .89752 50 20 .4436 .4950 1.1158 2.254 2.020 .89623 40 30 .4462 .4986 1.1174 2.241 2.006 .89493 30 40 .4488 .5022 1.1190 2.228 1.991 .89363 20 50 .4514 .5057 1.1207 2.215 1.977 .89232 10 Angle Sin. Tan. Sec. Cosec. Cotg. Cosin. 71 27 .4540 .5095 1.1223 2.203 1.963 .89101 63 10 .4566 .5132 1.1240 2.190 1.949 .88968 50 20 .4592 .5169 1.1257 2.178 1.935 .88835 40 30 .4617 .5206 1.1274 2.166 1.921 .88701 30 40 .4643 .5243 1.1291 2.154 1.907 .88566 20 50 .4669 .5280 1.1308 2.142 1.894 .88431 10 Angle Sin. Tan. Sec. Cosec. Cotg. Cosin. 70 28 .4695 .5317 1.1326 2.130 1.881 .88295 62 10 .4720 .5354 1.1343 2.119 1.868 .88158 50 20 .4746 .5392 1.1361 2.107 1.855 .88020 40 30 .4772 .5430 1.1379 2.096 1.842 .87882 30 40 .4797 .5467 1.1397 2.085 1.829 .87743 20 50 .4823 .5505 1.1415 2.073 1.816 .87603 10 Angle Sin. Tan. Sec. Cosec. Cotg. Cosin. 69 29 .4848 .5543 1.1434 2.063 1.804 .87462 61 10 .4874 .5581 1.1452 2.052 1.792 .87321 50 20 .4899 .5619 1.1471 2.041 1.780 .87178 40 30 .4924 .5658 1.1490 2.031 1.767 .87036 30 40 .4950 .5696 1.1509 2.020 1.756 .86892 20 50 .4975 .5735 1.1528 2.010 1.744 .86748 10 Angle Sin. Tan. Sec. Cosec. Cotg. Cosin. 68 30 .5000 .5774 1.1547 2.000 1.732 .86603 60 10 .5025 .5812 1.1566 1.990 1.720 .86457 50 20 .5050 .5851 1.1586 1.980 1.709 .86310 40 30 .5075 .5890 1.1606 1.970 1.698 .86163 30 40 .5100 .5930 1.1626 1.961 1.686 .86015 20 50 .5125 .5969 1.1646 1.951 1.675 .85866 10 Angle Sin. Tan. Sec. Cosec. Cotg. Cosin. 67 31 .5150 .6009 1.1666 1.924 1.664 .85717 59 10 .5175 .6048 1.1687 1.932 1.653 .85567 50 20 .5200 .6088 1.1707 1.923 1.643 .85416 40 30 .5225 .6128 1.1728 1.914 1.632 .85264 30 40 .5250 .6168 1.1749 1.905 1.621 .85112 20 50 .5275 .6208 1.1770 1.896 1.611 .84959 10 Angle Sin. Tan. Sec. Cosec. Cotg. Cosin. 66 o , Cotin. Angle Cosec. Sec. Tan. Sin. Angle Cosin.