2π |
3 |
3 |
3 |
α |
2 |
2π |
3 |
tan(α+2β)-tan(α+β) |
1+tan(α+2β)tan(α+β) |
tan
| ||||
1+(2+
|
- 2
| ||
-2
|
π |
4 |
2π |
3 |
α |
2 |
π |
3 |
α |
2 |
tan
| ||
1-tan
|
π |
3 |
3 |
3 |
α |
2 |
α |
2 |
3 |
α |
2 |
3 |
α |
2 |
3 |
3 |
3 |
α |
2 |
α |
2 |
3 |
|
|
π |
4 |
π |
4 |
π |
3 |
1 |
2 |
π |
6 |
π |
4 |
π |
4 |
1 |
4 |
A.-
| B.
| C.
| D.
|
A.
| B.
| C.-
| D.-
|
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