Mathematics
Senior High
至急！
模範解答と自分で解いた答えの符号が違います。
なぜこうなるのか教えて頂きたいです🙇♂️
T05等-151登)
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Answers
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回答ありがとうございます🙇♂️
cosとsinの象限は別で考えるのですね！