✨ Best Answer ✨
because tan(theta)=sin(theta)/cos(theta)
→sin(theta)/cos(theta)=-2cos(theta)/cos(theta)
→tan(theta)=-2
数IIの三角関数の問題で241の答えに矢印を引いているところが理解出来ていないのですがわかる方がいましたら教えて頂きたいです🙇♀️
✨ Best Answer ✨
because tan(theta)=sin(theta)/cos(theta)
→sin(theta)/cos(theta)=-2cos(theta)/cos(theta)
→tan(theta)=-2
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ありがとうございます🙇♀️