Y mul pow add mul x2 pow tan x2 c mul c mul x1 pow add x2 tan mul x2 mul abs x1 tan x2 c div c c add mul div c c pow add x2 tan mul x2 mul abs x1 tan x2 c mul div c c mul x1 mul x2 mul pow add x2 tan mul x2 mul abs x1 tan x2 c mul add c pow tan mul x2 mul abs x1 tan x2 c mul sign x1 tan x2