C |
2 |
x |
2 |
C |
4 |
5 |
6 |
1 |
6 |
tanA+tanB |
1-tanA•tanB |
π |
4 |
3π |
4 |
C |
2 |
x |
2 |
C |
4 |
C |
2 |
C |
2 |
2 |
C |
2 |
π |
4 |
2 |
π |
8 |
π |
8 |
π |
8 |
9π |
8 |
π |
8 |
π |
2 |
3π |
8 |
2 |
π |
5 |
π |
10 |
A.(
| B.(
| C.(
| D.(
|
π |
4 |
π |
4 |
A.
| B.
| C.arctan2 | D.arctan(-2) |
π |
8 |
3π |
8 |
A.x=
| B.
| C.x=-
| D.
|
3 |
π |
2 |
7π |
12 |
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