π |
4 |
A.y=cosx | B.y=sin(2x+
| ||||||||
C.y=sin(
| D.y=sin(
|
π |
4 |
π |
4 |
2π |
1 |
π |
4 |
2π |
T1 |
1 |
2 |
1 |
2 |
π |
4 |
π |
2 |
π |
4 |
x |
2 |
π |
4 |
π |
3 |
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
|
π |
4 |
π |
2 |
A.y=cos
| B.y=sin(
| ||||||
C.y=-sin(2x+
| D.y=sin(2x+
|
a |
π |
4 |
A.f(x)=-sin2x+1 | B.f(x)=sin2x+1 |
C.f(x)=-sin2x-1 | D.f(x)=sin2x-1 |
ωx |
2 |
π |
3 |
1 |
2 |
3 |
π |
4 |
π |
3 |
A.
| B.
| C.
| D.
|
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