a |
3 |
x |
2 |
x |
2 |
b |
x |
2 |
x |
2 |
a |
b |
π |
2 |
π |
2 |
3 |
3 |
| ||
2 |
3 |
x |
2 |
x |
2 |
x |
2 |
3 |
π |
6 |
3 |
π |
6 |
3 |
3 |
π |
6 |
1 |
2 |
π |
6 |
π |
3 |
π |
2 |
π |
2 |
π |
2 |
π |
6 |
π |
6 |
| ||
2 |
| ||
2 |
1 |
2 |
π |
6 |
3 |
π |
6 |
|
|
3 |
sinA |
a |
sinB |
b |
sinC |
1 |
1 |
2 |
1 |
2 |
| ||
2 |
| ||
5 |
3 |
5 |
A.
| B.
| C.
| D.
|
a-
| ||
1+
|
1-a2 |
2a |
a |
b |
a |
b |
a |
b |
3 |
1 |
2 |
1 |
4 |
| ||
4 |
1 |
2 |
π |
4 |
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