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9x2-6xcosθ+1 |
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3x |
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2 |
π |
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3 |
1 |
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1 |
6cosθ |
1 |
6cosθ |
1 |
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6cosθ |
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π |
3 |
π |
4 |
π |
3 |
π |
4 |
1 |
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1 |
3 |
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6cosθ |
π |
3 |
π |
2 |
π |
4 |
1 |
3 |
1 |
3 |
科目:高中數(shù)學 來源: 題型:
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π |
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科目:高中數(shù)學 來源:不詳 題型:解答題
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