엑셀 Become awesome in EXCEL
사인, 코사인 함수 그리기
문장전달자
2014. 7. 2. 15:02
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각도를 α 라고 했을 때, 코사인 및 사인값을 구하는 함수는 다음과 같다.
(α 값의 셀 위치가 A2 라고 했을 때)
cos(α) = cos(radians(A2)
sin(α) = sin(radians(A2)
아래 테이블에서 결과값을 선택하고
삽입 - 분산형 - 곡선이 있는 분산형 을 선택하면
사인, 코사인 함수그래프를 그릴 수 있다.
| α | cos(α) | sin(α) |
| 0 | 1.0000000000 | 0.0000000000 |
| 5 | 0.9961946981 | 0.0871557427 |
| 10 | 0.9848077530 | 0.1736481777 |
| 15 | 0.9659258263 | 0.2588190451 |
| 20 | 0.9396926208 | 0.3420201433 |
| 25 | 0.9063077870 | 0.4226182617 |
| 30 | 0.8660254038 | 0.5000000000 |
| 35 | 0.8191520443 | 0.5735764364 |
| 40 | 0.7660444431 | 0.6427876097 |
| 45 | 0.7071067812 | 0.7071067812 |
| 50 | 0.6427876097 | 0.7660444431 |
| 55 | 0.5735764364 | 0.8191520443 |
| 60 | 0.5000000000 | 0.8660254038 |
| 65 | 0.4226182617 | 0.9063077870 |
| 70 | 0.3420201433 | 0.9396926208 |
| 75 | 0.2588190451 | 0.9659258263 |
| 80 | 0.1736481777 | 0.9848077530 |
| 85 | 0.0871557427 | 0.9961946981 |
| 90 | 0.0000000000 |
1.0000000000 |
| 95 | -0.0871557427 | 0.9961946981 |
| 100 | -0.1736481777 | 0.9848077530 |
| 105 | -0.2588190451 | 0.9659258263 |
| 110 | -0.3420201433 | 0.9396926208 |
| 115 | -0.4226182617 | 0.9063077870 |
| 120 | -0.5000000000 | 0.8660254038 |
| 125 | -0.5735764364 | 0.8191520443 |
| 130 | -0.6427876097 | 0.7660444431 |
| 135 | -0.7071067812 | 0.7071067812 |
| 140 | -0.7660444431 | 0.6427876097 |
| 145 | -0.8191520443 | 0.5735764364 |
| 150 | -0.8660254038 | 0.5000000000 |
| 155 | -0.9063077870 | 0.4226182617 |
| 160 | -0.9396926208 | 0.3420201433 |
| 165 | -0.9659258263 | 0.2588190451 |
| 170 | -0.9848077530 | 0.1736481777 |
| 175 | -0.9961946981 | 0.0871557427 |
| 180 | -1.0000000000 | 0.0000000000 |
| 185 | -0.9961946981 | -0.0871557427 |
| 190 | -0.9848077530 | -0.1736481777 |
| 195 | -0.9659258263 | -0.2588190451 |
| 200 | -0.9396926208 | -0.3420201433 |
| 205 | -0.9063077870 | -0.4226182617 |
| 210 | -0.8660254038 | -0.5000000000 |
| 215 | -0.8191520443 | -0.5735764364 |
| 220 | -0.7660444431 | -0.6427876097 |
| 225 | -0.7071067812 | -0.7071067812 |
| 230 | -0.6427876097 | -0.7660444431 |
| 235 | -0.5735764364 | -0.8191520443 |
| 240 | -0.5000000000 | -0.8660254038 |
| 245 | -0.4226182617 | -0.9063077870 |
| 250 | -0.3420201433 | -0.9396926208 |
| 255 | -0.2588190451 | -0.9659258263 |
| 260 | -0.1736481777 | -0.9848077530 |
| 265 | -0.0871557427 | -0.9961946981 |
| 270 | 0.0000000000 | -1.0000000000 |
| 275 | 0.0871557427 | -0.9961946981 |
| 280 | 0.1736481777 | -0.9848077530 |
| 285 | 0.2588190451 | -0.9659258263 |
| 290 | 0.3420201433 | -0.9396926208 |
| 295 | 0.4226182617 | -0.9063077870 |
| 300 | 0.5000000000 | -0.8660254038 |
| 305 | 0.5735764364 | -0.8191520443 |
| 310 | 0.6427876097 | -0.7660444431 |
| 315 | 0.7071067812 | -0.7071067812 |
| 320 | 0.7660444431 | -0.6427876097 |
| 325 | 0.8191520443 | -0.5735764364 |
| 330 | 0.8660254038 | -0.5000000000 |
| 335 | 0.9063077870 | -0.4226182617 |
| 340 | 0.9396926208 | -0.3420201433 |
| 345 | 0.9659258263 | -0.2588190451 |
| 350 | 0.9848077530 | -0.1736481777 |
| 355 | 0.9961946981 | -0.0871557427 |
| 360 | 1.0000000000 | 0.0000000000 |
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