π |
2 |
a |
α |
2 |
b |
α |
2 |
a |
b |
2
| ||
3 |
3 |
5 |
π |
2 |
a |
b |
2
| ||
3 |
α |
2 |
α |
2 |
2
| ||
3 |
α |
2 |
α |
2 |
4 |
3 |
1 |
3 |
π |
2 |
1-sin2α |
2
| ||
3 |
π |
2 |
π |
2 |
π |
2 |
3π |
2 |
3 |
5 |
1-sin2(α+β) |
4 |
5 |
3 |
5 |
2
| ||
3 |
4 |
5 |
1 |
3 |
6
| ||
15 |
sin(α-3π)-2cos(
| ||
-sin(-α)+cos(π+α) |
2
| ||
3 |
2 |
B+C |
2 |
1-cosA |
2 |
1-sin4α-cos4α |
sin2α-sin4α |
A.
| B.2 | C.3 | D.1 |
cosx+sinx |
cosx-sinx |
π |
2 |
π |
2 |
A.
| B.-
| C.
| D.-
|
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