∫sin(xdx)等于多少?
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∫sin(xdx)等于多少?
∫(sinx)^3dx =∫(sinx)^2*sinxdx = -∫sin^2xd(cosx) = -∫(1-cos^2x)d(cosx) = -cosx+1/3*(cosx)^3+C
∫sin(xdx)等于多少?
∫(sinx)^3dx =∫(sinx)^2*sinxdx = -∫sin^2xd(cosx) = -∫(1-cos^2x)d(cosx) = -cosx+1/3*(cosx)^3+C