a |
b |
3 |
a |
b |
7π |
12 |
5π |
12 |
a |
b |
3 |
3 |
π |
6 |
2π |
|ω| |
π |
6 |
π |
12 |
kπ |
2 |
π |
12 |
kπ |
2 |
7π |
12 |
5π |
12 |
π |
6 |
π |
2 |
π |
6 |
π |
2 |
π |
3 |
π |
6 |
π |
3 |
π |
6 |
π |
12 |
π |
2 |
2 |
3 |
5π |
6 |
π |
3 |
A.
| B.2π | C.π | D.4π |
2π |
3 |
| ||
2 |
3 |
π |
4 |
A.最小正周期为
| ||
B.最小正周期为
| ||
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 |
3 |
m |
n |
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