正弦(sin)函数:
```scss
角度 sin(角度)
0 0
30 0.5
45 0.7071067811865475
60 0.8660254037844386
90 1
120 0.8660254037844386
135 0.7071067811865475
150 0.5
180 0
```
余弦(cos)函数:
```scss
角度 cos(角度)
0 1
30 0.9682458365217333
45 0.7071067811865475
60 0.3826834323650908
90 0
120 -0.3826834323650908
135 -0.7071067811865475
150 -0.9682458365217333
180 -1
```
正切(tan)函数:
```scss
角度 tan(角度)
0 0
30 0.5773502691896257
45 1.4142135623730951
60 1.7320508075688772
90 无穷大
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2. 计算公式
正弦函数si(x)和余弦函数cos(x)的定义如下:si(x) = y/rcos(x) = x/r其中,x是角度,r是半径,y是沿x轴的单位长度,x是沿y轴的单位长度。对于任意角度x,正弦和余弦函数值可以通过查表或使用计算器得到。3. 0到360度范围内的Sicos值
| 角度 | si(x) | cos(x) || :--: | :--: | :--: || 0 | 0 | 1 || 5 | 0.087 | 0.996|| 10 | 0.174 | 0.984|| 15 | 0.262 | 0.972|| 20 | 0.349 | 0.956|| 25 | 0.435 | 0.940|| 30 | 0.521 | 0.920|| 35 | 0.605 | 0.896|| 40 | 0.687 | 0.871|| 45 | 0.764 | 0.843|| 50 | 0.837 | 0.812|| 55 | 0.905 | 0.779|| 60 | 0.968 | 0.744|| 65 | 1.026 | 0.706|| 70 | 1.078 | 0.666|| 75 | 1.124 | 0.624 || 80 | 1.162 | 0.581 || 85 | 1.193 | 0.536 || 90 | 1.216 | 0.491 || 95 | 1.232 | 0.445 || 100 | 1.241 | 0.399 || 105 | 1.243 | 0.352 || 110 | 1.238 | 0.305 || 115 | 1.228 | 0.258 || 120 | 1.212 | 0.211 || 125 | 1.192 | 0.165 || 130 | 1.167 | 0.120 || 135 | 1.139 | 0.076 || 140 | 1.108 | 0.034 || 145 | 1.074 | -0.013 || 150 | 1.038 | -0.057 || 155 | 1.002 | -0.104 || 160 | 0.965 | -0.153 || 165 | 0.928 | -0.204 || 170 | 0.892 | -0.257 || 175 | 170 | 0.857 | -0.311 || 180 | 0.823 | -0.367 || 185 | 0.791 | -0.424 || 190 | 0.761 | -0.481 || 195 | 0.733 | -0.538 || 200 | 0.707 | -0.594 || 205 | 0.684 | -0.648 || 210 | 0.663 | -0.700 || 215 | 0.645 | -0.750 || 220 | 0.630 | -0.797 || 225 | 0.618 | -0.841 || 230 | 0.608 | -0.881 || 235 | 0.601 | -0.917 || 240 | 0.597 | -0.948 || 245 | 0.596 | -0.974 || 250 | 0.598 | -0.994 || 255 | 0.603 | -1.011 || 260 | 0.611 | -1.022 || 265 | 0.622 | -1.029 || 270 | 0.636 | -1.032 || 275 | 0.653 | -1.031 || 280 | 0.673 | -1.027 || 285 | 0.696 | -1.021 || 290 | 0.723 | -1.013 || 295 | 0.753 | -1.004 || 300 | 0.787 | -0.994 || 305 | 0.825 | -0.984 || 310 | 0.868 | -0.974 || 315 | 0.916 | -0.964 || 320 | 0.969 | -0.955 || 325 | 1.028 | -0.948 || 330 | 1.093 | -0.942 || 335 | 1.164 | -0.938 || 340 | 1.242 | -0.936 || 345 | 1.327 | -0.936 || 350 | 1.419 | -0.938 || 355 | 1.518 | -0.942 || 360 | 1.624 | -0.948