/y + x + z\ |---------| \y + z - x/ ---------------- 2 2 2 y + z - x 1 + ------------ 2*y*z
((y + x + z)/(y + z - x))/(1 + (y^2 + z^2 - x^2)/(((2*y)*z)))
2*y*z ------------------------------------ 2 2 2 x + y + z - 2*x*y - 2*x*z + 2*y*z
2*y*z/(x^2 + y^2 + z^2 - 2*x*y - 2*x*z + 2*y*z)
(x + y + z)/((1.0 + 0.5*(y^2 + z^2 - x^2)/(y*z))*(y + z - x))
(x + y + z)/((1.0 + 0.5*(y^2 + z^2 - x^2)/(y*z))*(y + z - x))
2*y*z*(x + y + z) ---------------------------------- / 2 2 2 \ (y + z - x)*\y + z - x + 2*y*z/
2*y*z*(x + y + z)/((y + z - x)*(y^2 + z^2 - x^2 + 2*y*z))
x + y + z ------------------------------ / 2 2 2\ | y + z - x | |1 + ------------|*(y + z - x) \ 2*y*z /
(x + y + z)/((1 + (y^2 + z^2 - x^2)/(2*y*z))*(y + z - x))
x + y + z ------------------------------ / 2 2 2\ | y + z - x | |1 + ------------|*(y + z - x) \ 2*y*z /
(x + y + z)/((1 + (y^2 + z^2 - x^2)/(2*y*z))*(y + z - x))
2*y*z ------------------------------------ 2 2 2 x + y + z - 2*x*y - 2*x*z + 2*y*z
2*y*z/(x^2 + y^2 + z^2 - 2*x*y - 2*x*z + 2*y*z)
2*y*z*(x + y + z) ---------------------------------- / 2 2 2 \ (y + z - x)*\y + z - x + 2*y*z/
2*y*z*(x + y + z)/((y + z - x)*(y^2 + z^2 - x^2 + 2*y*z))
x + y + z ------------------------------ / 2 2 2\ | y + z - x | |1 + ------------|*(y + z - x) \ 2*y*z /
x + y + z ------------------------------ / 2 2 2\ | y z x | | -- + -- - --| | 2 2 2 | |1 + ------------|*(y + z - x) \ y*z /
(x + y + z)/((1 + (y^2/2 + z^2/2 - x^2/2)/(y*z))*(y + z - x))