Cn(M, T, 0,a, A, tan x, n) C(M=0, t, 0, a, BA,tan x, n) B This is the Prandt -Glauert correction ruletan , ) 1 ( 0, , , , , 1 ( , , , , ,tan , )              C M A C M A p p = = This is the Prandtl-Glauert correction Rule