π |
3 |
A.向左平移个
| B.向右平移个
| ||||
C.向左平移个
| D.向右平移个
|
π |
3 |
π |
6 |
π |
3 |
π |
6 |
2π |
3 |
A.向左平移
| B.向右平移
| ||||
C.向左平移
| D.向左平移
|
π |
3 |
π |
6 |
A.
| B.
| C.
| D.
|
π |
6 |
A.y=sin(2x-
| B.y=sin(x-
| ||||
C.y=sin(2x+
| D.y=sin(2x+
|
3π |
4 |
π |
2 |
A.
| B.
| C.
| D.
|
π |
2 |
A.纵坐标不变,横坐标缩短到原来的一半 | ||
B.向左平移
| ||
C.纵坐标不变,横坐标伸长到原来的2倍 | ||
D.向右平移
|
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