Y mul div c c mul x2 mul sqrt mul x2 add x1 sqrt add x2 add tan x2 tan mul c mul x3 x2 mul pow add x1 sqrt add x2 add tan x2 tan mul c mul x3 x2 c mul pow add x2 add tan x2 tan mul c mul x3 x2 div c c pow cos mul c mul x3 x2 c