加法定理

加法定理についてわかりやすく解説【受験に役立つ数学ⅡB】

みなさん、こんにちは。数学ⅡBのコーナーです。今回のテーマは【加法定理】です。三角関数で覚えなくてはならない式の多さに嘆いている人に朗報です！今回勉強する加法定理が、覚えないといけない最後の公式になります。これさえ覚えれば、これから勉...

2021.02.13

三角関数

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