Mathematics
Senior High
極形式です！2/1πが出てくる理由が知りたいです！！
どなたかよろしくお願いします🙇♀️
(5) 3 sin +icos
COS
(5) 3(sin+icos)=3(cos()+sin())
6
2 6
-3(cos +++isin++
=
3
3
(一)}
G
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