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1. 活用三角函数 by 4330 | 李福城编 Publication: 台北:建桥 1976 Date: 1976 Availability: Items available: [317.3] (1),

2. 高中数学:三角函数与三角恒等变换 by "钟山总主编 | 6600 Publication: 刘群本册主编" , 9787801966599 Availability: Items available: [317.3] (1),

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