m |
n |
m |
n |
π |
6 |
π |
3 |
π |
2 |
m |
n |
a |
2 |
b |
2 |
π |
6 |
3 |
π |
3 |
2 |
3 |
3 |
3 |
3 |
π |
6 |
π |
2 |
π |
6 |
π |
6 |
5π |
6 |
π |
6 |
1 |
8 |
1 |
8 |
π |
3 |
π |
3 |
A.[-
| B.[-3,0) | C.(0,
| D.(0,3] |
3π |
4 |
5π |
8 |
9π |
8 |
5π |
8 |
9π |
8 |
A.2 | B.
| ||||||
C.2或
| D.
|
2 |
3 |
A.对称轴为x=kπ-
| B.对称轴为x=kπ+
| ||||
C.关于(
| D.关于(
|
π |
6 |
A.(-
| B.(-
| C.(
| D.(
|
1 |
2 |
| ||
2 |
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