+0 +1 +2 +3 +4 ---------------------------------------------- 0 0.0000 0.0175 0.0349 0.0523 0.0698 5 0.0872 0.1045 0.1219 0.1392 0.1564 10 0.1736 0.1908 0.2079 0.2250 0.2419 15 0.2588 0.2756 0.2924 0.3090 0.3256 20 0.3420 0.3584 0.3746 0.3907 0.4067 25 0.4226 0.4384 0.4540 0.4695 0.4848 30 0.5000 0.5150 0.5299 0.5446 0.5592 35 0.5736 0.5878 0.6018 0.6157 0.6293 40 0.6428 0.6561 0.6691 0.6820 0.6947 45 0.7071 0.7193 0.7314 0.7431 0.7547 50 0.7660 0.7771 0.7880 0.7986 0.8090 55 0.8192 0.8290 0.8387 0.8480 0.8572 60 0.8660 0.8746 0.8829 0.8910 0.8988 65 0.9063 0.9135 0.9205 0.9272 0.9336 70 0.9397 0.9455 0.9511 0.9563 0.9613 75 0.9659 0.9703 0.9744 0.9781 0.9816 80 0.9848 0.9877 0.9903 0.9925 0.9945 85 0.9962 0.9976 0.9986 0.9994 0.9998 ---------------------------------------------- 85 deg. 86 deg. 87 deg. 88 deg. 89 deg.sin(a) == cos(90 - a), so cos(30) = sin(60).
2012.06.15 - YON - Jan C. Hardenbergh