2
| ||
5 |
| ||
10 |
2 |
2 |
5 |
5 |
| ||
5 |
| ||
10 |
π |
2 |
3
| ||
10 |
| ||
2 |
3π |
4 |
a |
sinA |
b |
sinB |
a |
b |
sinA |
sinB |
2 |
2 |
2 |
2 |
b |
sinB |
c |
sinC |
5 |
π |
6 |
1 |
3 |
π |
3 |
A.
| B.-
| C.
| D.-
|
π |
6 |
π |
6 |
A.
| B.-
| C.1+
| D.1-
|
3 |
3 |
2 |
A.a<b<c | B.b<c<a | C.a<c<b | D.b<a<c |
a |
3 |
b |
π |
2 |
a |
b |
π |
2 |
π |
2 |
14 |
5 |
π |
4 |
π |
2 |
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