TRNG THPT CHUYấN VNH PHC CHNH THC THI THPT QUC GIA NM HC 2015ư2016ưLN IMụn: TONThi gian lm bi: 180 phỳt, khụng k thi gian phỏt .Cõu
1 (1,0 im). Kho sỏt s bin thiờn v v th ca hm s y = x 3 - 3 x 2 + 2Cõu 2 (1,0 im).Tỡm cc tr ca hm s : y = x - sin 2 x + 2 .Cõu 3 (1,0 im).3sin a - 2 cos aa) Cho[r]