π |
2 |
π |
2 |
cosα |
sinβ |
cosβ |
sinα |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
cosα |
sinβ |
cosβ |
sinα |
cosα |
sinβ |
cosβ |
sinα |
cosα |
sinβ |
cosβ |
sinα |
1 |
ln2 |
1 |
2 |
A.b<a<c | B.a<b<c | C.a<c<b | D.b<c<a |
A.sin1<cos1 | ||||||||
B.2tan
| ||||||||
C.若α∈(0,
| ||||||||
D.log
|
8 |
27 |
1 |
3 |
9 |
25 |
1 |
2 |
1 |
10 |
8 |
27 |
2 |
3 |
4
| ||
7 |
4 |
3 |
3 |
2 |
5 |
6
|
3 | 3
| ||
1 |
2 |
5 | π |
7 |
3 |
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