/3*cos(3*acos(x)) x*sin(3*acos(x))\ 3*|---------------- + ----------------| | 2 3/2 | | -1 + x / 2\ | \ \1 - x / /
/ 2 \ | 8*sin(3*acos(x)) 9*x*cos(3*acos(x)) 3*x *sin(3*acos(x))| 3*|- ---------------- - ------------------ + -------------------| | 3/2 2 5/2 | | / 2\ / 2\ / 2\ | \ \1 - x / \-1 + x / \1 - x / /