3 |
| ||
2 |
π |
4 |
π |
2 |
1 |
2 |
BC |
AB |
π |
4 |
3 |
π |
4 |
π |
4 |
π |
4 |
| ||
2 |
1 |
2 |
| ||
2 |
1 |
2 |
| ||
2 |
1 |
2 |
| ||
2 |
π |
3 |
π |
2 |
π |
3 |
π |
3 |
2π |
3 |
π |
3 |
π |
2 |
5π |
12 |
π |
3 |
π |
3 |
π |
3 |
5π |
3 |
1 |
2 |
π |
3 |
1 |
2 |
π |
3 |
π |
6 |
π |
3 |
5π |
6 |
π |
4 |
7π |
12 |
1 |
2 |
π |
4 |
7π |
12 |
π |
6 |
BC |
AB |
sinA |
sinC |
sin
| ||
sin
|
| ||||
|
2 |
m |
n |
m |
n |
s |
t |
B |
2 |
s |
t |
m |
n |
7 |
m |
n |
1 |
2 |
10 |
2
| ||
5 |
5 |
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