Y mul x2 mul pow add mul x1 sqrt add c tan x3 mul x2 tan x1 c add pow add mul x1 sqrt add c tan x3 mul x2 tan x1 c add mul c mul x1 sqrt add c tan x3 add mul c mul x2 tan x1 mul c mul add x3 mul c x1 add sqrt add c tan x3 mul x2 pow cos x1 c