从0度到90度COS值

从0度到90度COS值

y =

Columns 1 through 14

1.0000 0.9998 0.9994 0.9986 0.9976 0.9962 0.9945 0.9925 0.9903 0.9877 0.9848 0.9816 0.9781 0.9744

Columns 15 through 28

0.9703 0.9659 0.9613 0.9563 0.9511 0.9455 0.9397 0.9336 0.9272 0.9205 0.9135 0.9063 0.8988 0.8910

Columns 29 through 42

0.8829 0.8746 0.8660 0.8572 0.8480 0.8387 0.8290 0.8192 0.8090 0.7986 0.7880 0.7771 0.7660 0.7547

Columns 43 through 56

0.7431 0.7314 0.7193 0.7071 0.6947 0.6820 0.6691 0.6561 0.6428 0.6293 0.6157 0.6018 0.5878 0.5736

Columns 57 through 70

0.5592 0.5446 0.5299 0.5150 0.5000 0.4848 0.4695 0.4540 0.4384 0.4226 0.4067 0.3907 0.3746 0.3584

Columns 71 through 84

0.3420 0.3256 0.3090 0.2924 0.2756 0.2588 0.2419 0.2250 0.2079 0.1908 0.1736 0.1564 0.1392 0.1219

Columns 85 through 91

0.1045 0.0872 0.0698 0.0523 0.0349 0.0175 0.0000
用matlab算的，都有了

角度 Sin值 Cos值
0° 0 1
5° 0.087 0.996
10° 0.174 0.985
15° 0.259 0.966
20° 0.342 0.94
25° 0.423 0.906
30° 0.5 0.866
35° 0.574 0.819
40° 0.643 0.766
45° 0.707 0.707
50° 0.766 0.643
55° 0.819 0.574
60° 0.866 0.5
65° 0.906 0.423
70° 0.94 0.342
75° 0.966 0.259
80° 0.985 0.174
85° 0.996 0.087
90° 1 0

COS0=1
COS15=根号6+根号2 /4
COS30=根号3/2
COS45=根号2/2
COS60=1/2
COS75= 根号6-根号2 /4
COS90=0
希望能对您有帮助！！