m |
n |
m |
3 |
n |
π |
2 |
3 |
3 |
3 |
π |
6 |
π |
2ω |
π |
2 |
π |
6 |
π |
4 |
1 |
2 |
π |
6 |
π |
6 |
13 |
6 |
π |
3 |
1 |
2 |
| ||
2 |
π |
3 |
A.沿x轴向右平移
| ||
B.沿x轴向左平移
| ||
C.沿x轴向左平移
| ||
D.沿x轴向右平移
|
3π |
4 |
A.2cosx | B.2cos2x | C.2cos
| D.2cos
|
π |
6 |
A.y=sin(2x+
| B.y=sin(2x-
| C.y=sin(2x+
| D.y=sin(2x-
|
3 |
ωx |
2 |
π |
2 |
3π |
4 |
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