________ / 2 x*\/ 1 - x + asin(x) ----------------------- 2
(x*sqrt(1 - x^2) + asin(x))/2
________ / 2 2 \/ 1 - x 1 x ----------- + ------------- - ------------- 2 ________ ________ / 2 / 2 2*\/ 1 - x 2*\/ 1 - x
/ 2 \ | 1 x | -x*|3 + ------- - -------| | 2 2| \ -1 + x -1 + x / --------------------------- ________ / 2 2*\/ 1 - x
/ 2 2 4 \ | 1 6*x 3*x 3*x | -|3 + ------- - ------- - ---------- + ----------| | 2 2 2 2| | -1 + x -1 + x / 2\ / 2\ | \ \-1 + x / \-1 + x / / --------------------------------------------------- ________ / 2 2*\/ 1 - x