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  5. x＝sinθ-cosθ＝√2sinθ(θ-...
Mathematics
Undergraduate
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むー
むー

x＝sinθ-cosθ＝√2sinθ(θ-π/4)になるのはどうしてですか。

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✨ Best Answer ✨

哲治
哲治

単なる三角関数の合成ですよ。

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