Reading Angles on the Unit Circle

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Explore how to determine an angle θ from a trigonometric value by using the unit circle and auxiliary lines, and identify the corresponding angle between 0° and 360° in this activity.

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Kenichi Iijima — 25 May 2026 - 08:04

Resource Type: Activity
Tags: class cosine sine tangent-function trigonometric-functions unit-circle
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Target Group (Age): 3 – 19+
Language: English

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License: CC-BY-SA, GeoGebra Terms of Use
Based Upon: 単位円で角度を読み取る
Shared by Kenichi Iijima

Reading Angles on the Unit Circle

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