Y add mul x3 pow add x3 mul x3 pow add mul x3 add x3 mul c tan x3 tan x2 c c mul c mul x3 mul pow add mul x3 add x3 mul c tan x3 tan x2 c mul add c mul c pow tan x2 c mul add x3 mul x2 x3 add x3 mul x3 pow add mul x3 add x3 mul c tan x3 tan x2 c