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