Mathematics
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数Ⅱの三角関数の問題です。sin4/3πの値を求めよという問題なのですが、なぜ答えにマイナスがつくのですか?
4
)
sin=sin(+7)=-sin=-3
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数Ⅱの三角関数の問題です。sin4/3πの値を求めよという問題なのですが、なぜ答えにマイナスがつくのですか?
Users viewing this question
are also looking at these questions 😉