a |
3 |
b |
π |
6 |
π |
2 |
a |
b |
b |
3 |
2 |
3 |
3 |
2 |
5
| ||
2 |
cos2x+1 |
2 |
5 |
2 |
π |
6 |
π |
6 |
π |
2 |
π |
6 |
π |
2 |
7π |
6 |
π |
6 |
1 |
2 |
5 |
2 |
π |
6 |
π |
6 |
π |
6 |
π |
2 |
7π |
6 |
π |
6 |
5π |
12 |
2 |
3 |
A.0 | B.
| C.
| D.-
|
π |
4 |
π |
4 |
π |
4 |
3π |
4 |
A.1个 | B.2个 | C.3个 | D.4个 |
π |
3 |
A.(0,
| B.(
| C.(-
| D.(
|
π |
12 |
π |
3 |
π |
6 |
| ||
2 |
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