Y add mul div c c mul pow x3 c mul pow add x3 add mul x3 x2 mul x1 pow abs add c add x3 pow x3 c c c tan c mul div c c mul pow x3 c mul pow add x3 add mul x3 x2 mul x1 pow abs add c add x3 pow x3 c c c mul add c add mul c x2 mul x1 mul pow add c add x3 pow x3 c c mul add c mul c x3 sign add c add x3 pow x3 c tan c