Mathematics
Undergraduate
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この問題が範囲のところから全くわかりません。教えてください😢
一覧os のとき,次の不等式を満たす0の値の範囲を求めよ。
*(1) -2 sin 0 <1
(3) -1 <tan0 <1
299.
²7/2
*(2) cos 0≥.
(4) 1/2
cosom
13
2
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ありがとうございます😭