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kurobakaitokid
2 năm trước
Giải pt lượng giác sau: a) 2sin^2x+sinxcosx-cos^2x=3 b)√3sin^2x+(1-√3)sinxcosx-cos^2=0 c)cos^2x+2sinx.cosx+5sin^2x=2 Giải hộ mình câu này luôn nha d)sin^2x/2+sinx-2cos^2x/2=1/2 Help me,help me,please Các pro giúp em với
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