nπ |
4 |
nπ |
4 |
n+4 |
4 |
nπ |
4 |
nπ |
4 |
n+2 |
4 |
nπ |
4 |
π |
2 |
nπ |
4 |
π |
2 |
nπ |
4 |
n+6 |
4 |
nπ |
4 |
3π |
2 |
nπ |
4 |
π |
2 |
nπ |
4 |
π |
2 |
nπ |
4 |
nπ |
4 |
nπ |
4 |
3 |
AB |
BC |
AB |
BC |
cosα |
1+sinα |
sinα |
1+cosα |
2(cosα-sinα) |
1+sinα+cosα |
b |
c |
2 |
3 |
A.
| B.
| C.
| D.
|
a |
3x |
2 |
3x |
2 |
b |
x |
2 |
x |
2 |
c |
3 |
a |
b |
a |
c |
5 |
π |
3 |
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