π |
3 |
π |
2 |
π |
3 |
π |
2 |
π |
2 |
π |
3 |
2π |
3 |
2π |
3 |
2π |
3 |
A. | B. | C. | D. |
π |
6 |
A.f(x)=cos(2x-
| B.f(x)=cos(2x-
| ||||
C.f(x)=cos(2x+
| D.f(x)=cos(2x+
|
2 |
π |
4 |
2 |
A.向左平行移动
| ||
B.向右平行移动
| ||
C.向左平行移动
| ||
D.向右平行移动
|
A.ω=2,φ=
| B.ω=2,φ=
| C.ω=1,φ=
| D.ω=1,φ=
|
π |
3 |
A.向左平移
| B.向右平移
| ||||
C.向左平移
| D.向右平移
|
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