3 |
1 |
2 |
π |
6 |
5π |
6 |
3 |
1 |
2 |
1-cos2ωx |
2 |
| ||
2 |
1 |
2 |
| ||
2 |
1 |
2 |
π |
3 |
2π |
2ω |
1 |
2 |
π |
6 |
π |
2 |
π |
6 |
π |
2 |
π |
3 |
2π |
3 |
π |
3 |
2π |
3 |
π |
6 |
5π |
6 |
π |
3 |
π |
6 |
2π |
3 |
π |
6 |
π |
2 |
2π |
3 |
π |
6 |
π |
3 |
π |
6 |
| ||
2 |
2π |
3 |
π |
6 |
| ||
2 |
| ||
2 |
A.
| B.
| C.
| D.
|
3 |
π |
24 |
5π |
24 |
π |
24 |
3 |
π |
6 |
π |
3 |
3 |
π |
6 |
A.周期为π的奇函数 | B.周期为π的偶函数 |
C.周期为2π的奇函数 | D.周期为2π的偶函数 |
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