Mathematics
Senior High
高二 数学II cosの加法定理
黒丸のところがプラスになる理由がわかりません。
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* Cos (35° a cos60° - 8inl35°ャsin6o°
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高二 数学II cosの加法定理
黒丸のところがプラスになる理由がわかりません。
Users viewing this question
are also looking at these questions 😉