| a |
| b |
| a |
| b |
| a |
| b |
| 7 |
| a |
| 1+cosθ |
| b |
| 1-cosθ |
| 3π |
| 2 |
| a |
| b |
| OP |
| OA |
| ||
| sinC |
| ||
| sinB |
| a |
| a |
| a |
| b |
| a |
| b |
| a |
| b |
| AP |
| ||
|
|
| ||
|
|
| a |
| a |
| 22+02 |
| a |
| b |
| a |
| b |
| a |
| b |
|
|
22+12-2×2×1×(-
|
| 7 |
| a |
| 1+cosθ |
| b |
| 1-cosθ |
| a |
| b |
| (1+cosθ)(1-cosθ) |
| 1-cos2θ |
| sin2θ |
| 3π |
| 2 |
| a |
| b |
| a |
| b |
|
| ||
| sinC |
|
| ||
| sinB |
|
| ||
| 2R |
|
| ||
| 2R |
| OP |
| OA |
| ||
| sinC |
| ||
| sinB |
| OA |
2R
| ||
|
|
2R
| ||
|
|
| OA |
| ||
|
|
| ||
|
|
| AP |
| ||
|
|
| ||
|
|
| ||
|
|
| a |
科目:高中数学 来源: 题型:
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科目:高中数学 来源: 题型:
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