π |
2 |
π |
2 |
1 |
2 |
π |
2 |
π |
2 |
2π |
4 |
π |
2 |
1 |
2 |
1 |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
6 |
π |
2 |
π |
6 |
π |
2 |
π |
6 |
π |
3 |
π |
4 |
A.(-∞,-
| B.(-∞,-
| ||||||
C.(-∞,-2]∪[6,+∞) | D.(-∞,-
|
3 |
π |
3 |
π |
2 |
π |
3 |
x |
3 |
π |
6 |
π |
4 |
A.y=2sin(
| B.y=2sin(
| ||||||||
C.y=2sin(
| D.y=2sin(
|
π |
6 |
π |
6 |
A.1 | B.2 | C.4 | D.8 |
π |
2 |
π |
6 |
π |
3 |
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