s3-ap-southeast-1.amazonaws.com · sô nghiêm phuong trình cos3x—4cos2x + 3cosx—4 = 0 vóixe...
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- s3-ap-southeast-1.amazonaws.com · Sô nghiêm phuong trình cos3x—4cos2x + 3cosx—4 = 0 vóixe 0.,7t] là: Câu 62: _ + k2Tt _ + k21t X = k27t + k2Tt x=klt X + k2Tt arccos (—2)
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Post on 04-Jan-2020
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