________ / 2 \/ 1 - x + asin(x)
sqrt(1 - x^2) + asin(x)
1 x ----------- - ----------- ________ ________ / 2 / 2 \/ 1 - x \/ 1 - x
2 x x -1 + ------ - ------ 2 2 1 - x 1 - x -------------------- ________ / 2 \/ 1 - x
3 2 3*x 3*x 1 - 3*x - ------ + ------ 2 2 1 - x 1 - x ------------------------- 3/2 / 2\ \1 - x /