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