π |
3 |
m |
π |
3 |
n |
π |
3 |
π |
3 |
m |
n |
π |
2 |
5π |
6 |
π |
3 |
4π |
3 |
π |
3 |
| ||
2 |
1 |
2 |
π |
2 |
π |
3 |
π |
2 |
π |
3 |
5π |
6 |
π |
6 |
π |
2 |
m |
n |
m |
n |
π |
3 |
π |
3 |
3 |
4 |
1 |
4 |
3 |
4 |
| ||
2 |
π |
3 |
2π |
3 |
6 |
6 |
3 |
2x-3 |
x-2 |
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
π |
4 |
π |
6 |
k |
2 |
π |
6 |
6+sin2x |
2-sinx |
10 |
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