π |
3 |
1 |
6 |
A.2sin(
| B.2sin(6x-
| ||||||
C.2sin(
| D.2sin(6x+
|
1 |
6 |
1 |
2 |
π |
6 |
π |
6 |
π |
3 |
π |
3 |
π |
6 |
π |
6 |
1 |
6 |
a |
A.y=5cos(3x+6) | B.y=5cos(3x-6)-3 |
C.y=5cos(3x-6) | D.y=5cos(3x-6)+3 |
π |
3 |
π |
4 |
A.x=
| B.x=
| C.x=
| D.x=-
|
a |
a |
A.(
| B.(-
| C.(
| D.(-
|
π |
6 |
π |
3 |
© 2017-2019 超级试练试题库,All Rights Reserved.