第一题:>> int((cos(x))^4) ans = (3*x)/8 + sin(2*x)/4 + sin(4*x)/32 第二题>> int((sin(x))^5+(cos(x))^2) ans = x/2 - cos(x) + (cos(x)*sin(x))/2 + (2*cos(x)^3)/3 - cos(x)^5/5
没有悬赏啊