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