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 |
π |
2 |
5 |
13 |
x |
2 |
1 |
2 |
π |
3 |
2
| ||
3 |
3 |
5 |
A.-
| B.
| C.±
| D.
|
cosα+sinα |
cosα-sinα |
1+sin4α-cos4α |
1+sin4α+cos4α |
x |
2 |
x |
2 |
π |
4 |
4
| ||
5 |
π |
6 |
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