cotan sun

Author:Janet Bowers

What function describes the length of a shadow as the sun rises (or sets)? Explain why it isn't a linear relationship between shadow length and angle of elevation of the sun.

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兩位數的位值
z`]]
Visualizing the Pythagorean Identity with Sine and Cosine
函數的奇偶性
Prism Drawn in 2-Point Perspective

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Area of a Triangle
Supplementary Angles
Circle Geoboard 2D
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พื้นที่ผิวในปริภูมิสามมิติ

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Calculus
Logarithmic Functions
Logic
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