Y mul pow x3 c mul pow add x3 x3 c mul add pow x4 c tan x4 add mul add x3 x3 add mul c tan x3 mul x3 pow cos x3 c add mul c mul x3 add mul x3 add c sin x3 tan x3 mul c mul add x3 x3 add mul x3 add c sin x3 tan x3