π |
6 |
1 |
2 |
π |
2 |
① |
π |
6 |
② |
π |
6 |
π |
6 |
1 |
2 |
| ||
2 |
1 |
2 |
π |
6 |
π |
6 |
kπ |
2 |
π |
12 |
π |
2 |
π |
6 |
π |
6 |
7π |
6 |
π |
6 |
1 |
2 |
1 |
2 |
① |
π |
6 |
② |
π |
6 |
π |
6 |
1 |
2 |
π |
4 |
1 |
2 |
A.周期为π的偶函数 | B.周期为2π的偶函数 |
C.周期为2π的奇函数 | D.周期为π的奇函数 |
x |
2 |
π |
6 |
A.2π | B.π | C.4π | D.
|
A.
| B.-
| C.
| D.-
|
π |
3 |
π |
3 |
1 |
2 |
1 |
4 |
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