7π |
4 |
7π |
4 |
π |
2 |
7π |
4 |
5π |
4 |
5π |
8 |
5π |
8 |
7π |
4 |
5π |
4 |
5π |
4 |
3π |
9 |
3π |
8 |
3π |
8 |
π |
2 |
π |
3 |
A.y=4sin(4x+
| B.y=2sin(2x+
| ||||
C.y=2sin(4x+
| D.y=2sin(4x+
|
π |
3 |
A.向右平移
| B.向左平移
| ||||
C.向左平移
| D.向右平移
|
1 |
2 |
1 |
2 |
π |
6 |
A.向左平移
| B.向右平移
| ||||
C.向左平移
| D.向右平移
|
π |
3 |
A.
| B.3 | C.6 | D.9 |
kπ |
2 |
π |
3 |
π |
6 |
π |
2 |
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