. |
| . |
π |
2 |
π |
2 |
. |
| . |
3 |
π |
3 |
π |
2 |
π |
2 |
π |
3 |
2π |
3 |
π |
2 |
2π |
3 |
2π |
3 |
π |
3 |
2π |
3 |
| ||
2 |
3 |
π |
2 |
π |
2 |
π |
3 |
π |
3 |
π |
3 |
π |
2 |
π |
3 |
π |
3 |
4π |
3 |
| ||
2 |
π |
3 |
π |
3 |
3 |
3 |
π |
3 |
A.最小正周期为2π的奇函数 |
B.最小正周期为2π的偶函数 |
C.最小正周期为π的奇函数 |
D.最小正周期为π的偶函数 |
3 |
2 |
1 |
2 |
1 |
2 |
A.4π | B.2π | C.4 | D.2 |
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