Mathematics
Senior High
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(ⅱⅰ)なぜ、θが90°<θ≦180°も満たすのか
分かりません!教えてください💦
(1) 0'ミ9180' のとき, 次の不等式を解け.
ノG) 2sin9=1 /(⑪) 72 cos9+130 (⑪ tanの<ツ3
79) meロン<Qomn のと 沈の不等式を解け。
側 tan9<73
tan60*ニ3
0"ミの2ミ180? だから
0"ミのご60*, 90*ぐ9ミ<180*
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