1 |
7 |
π |
2 |
1 |
7 |
tanα+tanβ |
1-tanαtanβ |
2+
| ||
1-2×
|
tanα+tan(α+β) |
1-tanαtan(α+β) |
2+3 |
1-2×3 |
1 |
7 |
2tanα |
1-tan2α |
2×2 |
1-22 |
4 |
3 |
tan2α+tanβ |
1-tan2αtanβ |
-
| ||||
1-(-
|
π |
2 |
3π |
2 |
3π |
4 |
A.
| B.
| C.-
| D.-
|
3 |
5 |
π |
4 |
π |
3 |
2cos2
| ||||
|
| ||
sin170°-
|
3 |
1+
| ||||
sin(α+
|
3 |
5 |
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