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- 求心形线的切线方程2025-02-21
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- 求心形线的切线与切点向径的夹角2025-02-21
- 求心形线r=a(1+cosθ)的切线与切点向径之间的夹角2025-02-21
- 求心形线r=a(1+cosθ)上任意一点的切线的倾角2025-02-21
- 求心形线r=a(1+cosθ)的切线方程2025-02-21
- 求心形线任意一点切线倾角2025-02-21
- 心形线原点切线2025-02-21
- 心形线切线斜率2025-02-21
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