1 |
5 |
π |
2 |
π |
4 |
π |
4 |
1 |
5 |
12 |
25 |
π |
2 |
4 |
5 |
3 |
5 |
sinθ |
cosθ |
4 |
3 |
π |
4 |
π |
4 |
| ||
2 |
| ||
2 |
1 |
2 |
1 |
2 |
9 |
25 |
16 |
25 |
7 |
50 |
π |
4 |
1 |
4 |
sin2α-sin2α |
1-cos2α |
| ||
2 |
1 |
7 |
π |
2 |
π |
3 |
A.-
| B.
| C.
| D.
|
π |
4 |
1 |
2 |
π |
2 |
2sin2α+sin2α | ||
cos(α-
|
A.最大值为7,最小值为
| ||
B.最大值为7,最小值为-5 | ||
C.最大值为7,最小值不存在 | ||
D.最大值不存在,最小值为0 |
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