π |
4 |
π |
4 |
1 |
2 |
3 |
5 |
π |
2 |
3π |
2 |
π |
4 |
π |
4 |
5π |
4 |
π |
4 |
3 |
5 |
π |
4 |
π |
4 |
π |
2 |
π |
4 |
4 |
5 |
π |
2 |
π |
4 |
7 |
25 |
7 |
25 |
π |
2 |
π |
4 |
π |
4 |
24 |
25 |
24 |
25 |
π |
4 |
π |
4 |
π |
4 |
31 |
50 |
2 |
π |
2 |
2 |
π |
4 |
π |
2 |
2 |
π |
6 |
A.y=cos(2x+
| B.y=cos(2x-
| ||||
C.y=cos(2x+
| D.y=cos(2x-
|
x |
2 |
x |
2 |
x |
2 |
1 |
2 |
π |
4 |
π |
6 |
π |
2 |
A.向左平移
| B.向右平移
| ||||
C.向左平移π个单位 | D.向左平移π个单位 |
π |
4 |
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