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