8
| ||
5 |
π |
2 |
π |
2 |
12 |
13 |
(cosα+sinβ)2+(sinα+cosβ)2 |
2+2sin(α+β) |
2+2sin(α+β) |
8
| ||
5 |
3 |
5 |
π |
2 |
π |
2 |
π |
2 |
π |
2 |
3 |
5 |
5 |
13 |
4 |
5 |
4 |
5 |
12 |
13 |
3 |
5 |
5 |
13 |
33 |
65 |
3 |
4 |
AB |
OC |
AD |
DB |
a |
b |
a |
b |
a |
b |
π |
4 |
π |
4 |
a |
b |
a |
b |
2 |
a-b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
AN |
AB |
AC |
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