π |
4 |
3π |
8 |
π |
4 |
wπ |
4 |
π |
4 |
wπ |
4 |
3π |
8 |
3wπ |
8 |
3wπ |
8 |
π |
2 |
4 |
3 |
8k |
3 |
4 |
3 |
4 |
3 |
π |
3 |
π |
3 |
A.向左平移
| B.向右平移
| ||||
C.向左平移
| D.向右平移
|
π |
3 |
π |
3 |
π |
2 |
π |
8 |
A.0 | B.
| C.
| D.π |
π |
5 |
π |
5 |
A.横坐标伸长到原来的2倍,纵坐标不变 | ||||
B.横坐标缩短到原来的
| ||||
C.横坐标伸长到原来的2倍,并向左平移
| ||||
D.横坐标缩短到原来的
|
π |
3 |
A.向左平移
| ||||
B.向左平移
| ||||
C.向左平移
| ||||
D.向左平移
|
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