(sinx+cos2x)^2 dx Ans:1. x-(1/4)sin2x+(1/8)sin4x-(1/3)cos3x+cosx+c2. (1/24)cos6x-(1/16)cos4x-(1/8)cos2x+c 2. ∫ (sinx sin2x sin3x) dx @ @ wang620628.
確定! 回上一頁