Mathematics
Senior High
この問題の赤線からの解き方がよく分かりませんᵕ ᵕ̩̩
解く1番最後の範囲の所が理解出来ません(･ ･̥)
どなたか詳しく教えて頂けませんか??🌱
宜しくお願いします!!!!!!!!!●┓''
(6) 2cos?0<sin0 +1
20- smb) smeィ
2-2sm 0 SmOxl
Sin
2s0 + n0-1マ0
SiM
t sin
(Sm0 tl )(2 0
Siy
SA
B そ40気
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