m |
3 |
n |
m |
n |
1+sin2B |
cos2B-sin2B |
m |
3 |
n |
m |
n |
3 |
| ||
2 |
1 |
2 |
π |
6 |
π |
6 |
1 |
2 |
π |
6 |
π |
6 |
5π |
6 |
π |
6 |
π |
6 |
π |
3 |
1+2sinBcosB |
cos2B-sin2B |
x |
2 |
π |
2 |
3π |
4 |
1 |
5 |
π |
6 |
π |
6 |
ωx |
2 |
4π |
7 |
π |
2 |
π |
2 |
π |
4 |
1 |
3 |
π |
4 |
β |
2 |
| ||
3 |
β |
2 |
π |
3 |
π |
3 |
2π |
3 |
sinB+sinC |
sinA |
| ||
cosA |
π |
4 |
A.1或-
| B.1 | C.
| D.-
|
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