π |
4 |
3 |
2 |
3 |
2 |
π |
4 |
3 |
2 |
1 |
2 |
3 |
2 |
(
|
5 |
2 |
4 |
3 |
9 |
2 |
1 |
2 |
a |
b |
1 |
5 |
a |
b |
π |
4 |
π |
2 |
a |
b |
1+sinθ |
1-sinθ |
1-sinθ |
1+sinθ |
a |
b |
c |
a |
b |
c |
a |
b |
c |
AB |
BC |
AB |
BC |
AB |
BC |
a |
b |
a |
b |
1 |
5sin2α+sinαcosα |
OA |
a |
OB |
b |
OC |
c |
a |
b |
c |
a |
b |
c |
a |
b |
b |
c |
c |
a |
OA |
OB |
OC |
OA |
OB |
OC |
0 |
OA |
OB |
OC |
2 |
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