π |
3 |
π |
6 |
2 |
π |
24 |
13π |
24 |
π |
3 |
π |
6 |
1+
| ||
2 |
| ||
2 |
2 |
| ||||
4 |
| ||||
4 |
2 |
5π |
12 |
2 |
2π |
2 |
π |
24 |
13π |
24 |
5π |
12 |
π |
2 |
3π |
2 |
π |
24 |
13π |
24 |
OA |
OB |
OC |
sinx |
1+cosx |
π |
3 |
π |
12 |
A.②③ | B.①④ | C.①③ | D.②④ |
1 |
3 |
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.非充分非必要条件 |
π |
4 |
A.0 | B.1 | C.2 | D.3 |
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