5π |
12 |
π |
3 |
2π |
3 |
π |
6 |
π |
6 |
A.
| B.
| C.
| D.
|
2π |
3 |
π |
6 |
π |
6 |
2π |
3 |
2π |
3 |
π |
6 |
1 | ||||
cos(x+
|
π |
6 |
2 | ||
sin(2x+
|
π |
6 |
5π |
12 |
π |
3 |
4π |
3 |
π |
2 |
2π |
3 |
π |
6 |
π |
4 |
π |
6 |
2 | ||
sin(2x+
|
π |
6 |
π |
3 |
11
| ||
6 |
a |
b |
a |
b |
3 |
3 |
π |
3 |
π |
3 |
m |
n |
m |
n |
A.最小正周期为
| ||
B.最小正周期为π的奇函数 | ||
C.最小正周期为
| ||
D.最小正周期为π的偶函数 |
AB |
BC |
1 |
2 |
7π |
4 |
3π |
4 |
4 |
5 |
4 |
5 |
π |
2 |
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