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