Themes > Science > Mathematics > Odds Ends > Beta Function
B(x,y) = t^(x-1) (1-t)^(y-1) dt	B(x,y) = 2 (sin t)^(2x-1) (cos t)^(2y-1) dt
B(x,y) = t^(x-1) / (1+t)^(x+y) dt	B(x,y) = B(y,x)
B(x,y) = (x)(y) / (x+y) ((x) = Gamma Function)