π |
6 |
3
| ||
2 |
π |
6 |
π |
6 |
3
| ||
2 |
π |
6 |
3
| ||
2 |
2π |
3 |
1 |
2 |
π |
3 |
π |
2 |
π |
2 |
π |
3 |
π |
6 |
A.y=sin(2x+
| B.y=sin(2x+
| ||||
C.y=2sin(2x+
| D.y=2sin(2x+
|
π |
2 |
1 |
150 |
π |
2 |
A.y=2sin(
| B.y=2sin(
| ||||||||
C.y=2sin(2x+
| D.y=2sin(2x-
|
π |
3 |
A.图象C关于直线x=
| ||||
B.图象C关于点(
| ||||
C.函数f(x)在区间(-
| ||||
D.由y=3cos2x得图象向右平移
|
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