Mathematics
Senior High
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解き方がわかりません💧
230≦x<2πのとき,次の方程式,不等式を解け。 合成?
(1) sinx+V3 cosx =2
(3)
sin x ≥√3 cos x
(2) V3 sin x – cosx=v2
(4) V2(sinx+cosx)>1
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