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三角函数

Author:jason ni

Topic:Trigonometric Functions, Trigonometry

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【案例】2018年全国1卷理科12题
拼砌四邊形
柱體建築師
異分母分數減法
算柱 (兩位數)

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Question 1
扇形弧長公式3
小圓內繞大圓
对数函数——底数大小与图形
圓形方程 | Equations of Circles (Locus of a moving point from a fixed point)

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Division
Right Triangles
Parallelogram
Sphere
Parabola

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