Mathematics
Senior High
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なぜsinθだけ ー がついてないのか教えて欲しいです🙏

(2) sin(π-0)=sin 0 4 cos(π-0) =-cos 0 5 tan (7-0) =-tan 0 16

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✨ Best Answer ✨

定義に戻れば、すぐ確認できます

これはθの位置によりません

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