4 |
3 |
1 |
2 |
1 |
2 |
1 |
4 |
1-cosA |
sinA |
1 |
4 |
1 |
4 |
1 |
2 |
1 |
16 |
17 |
16 |
1 |
2 |
8 |
17 |
4 |
3 |
b |
sinB |
c |
sinC |
b |
2R |
c |
2R |
4 |
3 |
1 |
2 |
4 |
17 |
4 |
17 |
b+c |
2 |
256 |
17 |
256 |
17 |
2 |
3 |
4
| ||
9 |
8 |
17 |
8 |
17 |
96 |
17 |
1012 |
17 |
1 |
2 |
4048 |
289 |
4048 |
289 |
π |
2 |
2 |
1 |
2 |
A.(0,
| B.[
| C.[
| D.(
|
1 |
2 |
A.-
| B.-
| C.
| D.
|
1-sin80° |
2+2cos80° |
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