Mathematics
Senior High
0≦θ＜2πのとき、方程式sin(θ−π/3)＞−√3/2を解け。
解き方を教えて頂きたいです
答えが0≦θ＜π/2と
5π/6＜θ＜2π
になるのですが0と2πはなぜπ/3を引かなくていいのでしょうか？
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