π |
3 |
π |
4 |
A.0<ω≤
| B.0<ω≤2 | C.0<ω≤
| D.ω≥2 |
π |
2 |
π |
2 |
π |
3 |
π |
4 |
π |
3 |
π |
4 |
π |
2 |
π |
3 |
π |
4 |
π |
2 |
π |
2 |
π |
3 |
3 |
2 |
π |
4 |
π |
2 |
3 |
2 |
A.(2,
| B.(4,
| C.(2,
| D.(4,
|
π |
2 |
x |
3 |
π |
6 |
A.向左平移
| ||||
B.向右平移
| ||||
C.向左平移
| ||||
D.向右平移
|
π |
2 |
π |
4 |
3π |
4 |
π |
3 |
π |
2 |
A.f(x)=2sin(
| B.f(x)=2sin(
| ||||||||
C.f(x)=2sin(2x-
| D.f(x)=2sin(2x+
|
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