3A |
2 |
3A |
2 |
A |
2 |
A |
2 |
3 |
AC |
AB |
3 |
BC |
m |
n |
3 |
m |
n |
m |
n |
3A |
2 |
A |
2 |
3A |
2 |
A |
2 |
1 |
2 |
π |
3 |
AC |
AB |
3 |
BC |
3 |
3 |
2π |
3 |
3 |
| ||
2 |
| ||
2 |
1 |
2 |
| ||
2 |
π |
6 |
| ||
2 |
2π |
3 |
π |
6 |
π |
6 |
5π |
6 |
π |
6 |
π |
3 |
2π |
3 |
π |
6 |
π |
2 |
π |
6 |
π |
2 |
π |
2 |
π |
6 |
A.
| B.
| C.-
| D.4 |
π |
4 |
7 |
5 |
cos(
| ||||
cos(
|
1 |
cos2α |
1 |
3 |
sinα+2cosα |
5cosα-sinα |
1 |
2sinαcosα+cos2α |
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