π |
3 |
π |
4 |
π |
4 |
π |
12 |
π |
2 |
π |
3 |
π |
4 |
π |
4 |
1 |
2 |
| ||
2 |
1 |
2 |
| ||
2 |
1 |
2 |
| ||
2 |
π |
6 |
π |
2 |
π |
6 |
π |
2 |
π |
3 |
2π |
3 |
π |
6 |
π |
3 |
π |
6 |
π |
3 |
π |
6 |
π |
2 |
kπ |
2 |
π |
3 |
kπ |
2 |
π |
3 |
π |
12 |
π |
2 |
π |
6 |
π |
3 |
5π |
6 |
π |
6 |
π |
12 |
π |
3 |
π |
3 |
π |
2 |
π |
3 |
π |
12 |
| ||
2 |
π |
2 |
1 |
2 |
π |
12 |
| ||
2 |
| ||
2 |
C |
2 |
A.等边三角形 | B.等腰三角形 |
C.不等边三角形 | D.直角三角形 |
3 |
4 |
1 |
3 |
A.
| B.
| C.
| D.1 |
m |
n |
sinC |
sinA |
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