| ||
sin170°-
|
| ||
4 |
sin(θ-5π)cos(-
| ||
sin(θ-
|
| ||
sin170°-
|
|sin10°-cos10°| |
sin10°-cos10° |
cos10°-sin10° |
sin10°-cos10° |
sin(θ-5π)cos(-
| ||
sin(θ-
|
-sinθ•(-sinθ)cosθ |
cosθ(-sinθ) |
1-cos2θ |
3 |
4 |
3 |
4 |
3 |
4 |
1 |
2 |
2 |
5 |
A.-
| B.-
| C.-
| D.
|
C |
2 |
| ||
4 |
3
| ||
4 |
13 |
16 |
m |
3 |
n |
m |
n |
3 |
(1+cos2α)cos(
| ||
2cos(π+α) |
7π |
12 |
m |
n |
m |
n |
7 |
π |
6 |
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