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三角関数の値を単位円を使って求める

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円・直線・点をクリックすると，その交点が強調されて座標が表示されます．表示された座標を使って．指示された三角関数の値を求めましょう．

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Kenichi Iijima — April 7, 2026 - 3:45 AM

Resource Type: Activity
Tags: cosine practice sine trigonometric-functions
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Target Group (Age): 3 – 19+
Language: Japanese / 日本語‎

Views: 8

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License: CC-BY-SA, GeoGebra Terms of Use
Based Upon: 三角比を単位円を使って求める
Shared by Kenichi Iijima
Derived Resources: Finding Trigonometric Function Values Using the Unit Circle
Shared by Kenichi Iijima

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