Y mul pow add pow x1 div c c mul c cos x4 div c c add mul div c c mul pow x1 div c c cos add sqrt x2 mul c tan x1 mul sqrt add pow x1 div c c mul c cos x4 mul add x4 mul c sqrt add pow x1 div c c mul c cos x4 add mul x1 mul pow cos x1 c sin add sqrt x2 mul c tan x1 cos add sqrt x2 mul c tan x1