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