π |
3 |
11 |
12 |
π |
12 |
5π |
12 |
π |
3 |
A.①② | B.①③ | C.②③ | D.② |
π |
3 |
11 |
12 |
π |
3 |
3π |
2 |
11 |
12 |
π |
3 |
π |
12 |
5π |
12 |
π |
12 |
5π |
12 |
π |
3 |
π |
3 |
π |
6 |
π |
3 |
π |
2 |
π |
2 |
5π |
12 |
A.[kπ-
| B.[kπ+
| ||||||||||
C.[2kπ+
| D.(
|
| ||
cos2x |
π |
6 |
π |
2 |
A.
| B.
| C.
| D.
|
π |
2 |
A.函数f(x)的最小正周期为π | ||
B.函数f(x)是奇函数 | ||
C.函数f(x)的图象关于直线x=
| ||
D.函数f(x)在区间[0,
|
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