Mathematics
Senior High
4番と6番の解き方を教えてください
は S1n のの コ
ム⑥⑮) im jim ユーsin9ヶ
2 COS と
(Up (2) oo (?% が偶数), 一oo (7 が奇数)
/
の 5委 ば (②⑦4Me 8 ィ (④ っ ⑮⑤) 0
(6) 0 〔指針 : 1一sinz = (css ー-amテ) , oeみ co。2 る
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