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thiendaicataiba
2 năm trước
giúp mình tính tích phân những con này với ạ: a/ cận 0-> π/2 : [cos^3(x) - 1] . cos^2(x) dx b/ cận 0->π/6 : tan^4(x)/cos2x dx c/ cận 0 -> π/4 : x/(1+cos2x) dx
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