a |
3 |
b |
3 |
a |
b |
π |
2 |
π |
2 |
a |
b |
3 |
3 |
3 |
3 |
π |
3 |
π |
2 |
π |
3 |
π |
2 |
5π |
12 |
π |
12 |
π |
2 |
π |
2 |
5π |
12 |
π |
12 |
π |
2 |
sin
| ||
1-cosα |
A.(0,
| B.(0,
| C.(
| D.(
|
A.周期是
| B.周期是3π的偶函数 | ||||
C.周期是
| D.周期是
|
π |
4 |
A.sin(sinx)<sinx<sin(tanx) | B.sin(sinx)<sin(tanx)<sinx |
C.sin(tanx)<sinx<sin(sinx) | D.sinx<sin(tanx)<sin(sinx) |
π |
4 |
1 |
2 |
3 |
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