| OA |
| OB |
| OC |
| AP |
| PB |
| CA |
| π |
| 8 |
| π |
| 2 |
| OA |
| OB |
| OA |
| OB |
| OC |
| AP |
| PB |
| CA |
| π |
| 8 |
| π |
| 2 |
| OA |
| OB |
| (sinα+cosα)2+1 |
| sin2α+2 |
| OA |
| OB |
| AP |
| sinα+x |
| 1+1 |
| 1+y |
| 1+1 |
| PB |
| CA |
| PB |
| CA |
| 2 |
| π |
| 4 |
| π |
| 4 |
| 5π |
| 4 |
| π |
| 8 |
| π |
| 2 |
| π |
| 8 |
| π |
| 8 |
| π |
| 4 |
| ||
| 2 |
| 2 |
| 4 |
| 3 |
| 2sinαcosα |
| sin2α+cos2α |
| 2tanα |
| 1+tan2α |
| 24 |
| 25 |
| OA |
| OB |
| (sinα+cosα)2+1 |
| sin2α+2 |
| ||
| 5 |
| PB |
| CA |
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