題目列表(包括答案和解析)
| π |
| 2 |
| 3π |
| 2 |
| AC |
| BC |
| AC |
| BC |
| 2cos2α+sin2α |
| 1+cotα |
| π |
| 2 |
| 3π |
| 2 |
| AC |
| BC |
| AC |
| BC |
| 2cos2α+sin2α |
| 1+cotα |
| OA |
| OC |
| 7 |
| OB |
| OC |
| AC |
| BC |
| AC |
| BC |
| OA |
| OC |
| 7 |
| OB |
| OC |
| AC |
| BC |
| OA |
| OC |
| 13 |
| OB |
| OC |
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