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✨ Best Answer ✨

tan(7π/12) = ±√(2+√3)² = ±|2+√3| = ±(2+√3)

tan(7π/12) < 0 より、
tan(7π/12) = -(2+√3) = -2-√3

となります。

くう

なるほど!ありがとうございます🙇‍♀️

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