Y mul pow x1 c add mul pow x1 c tan mul x4 mul x5 mul pow x1 c add x5 add x1 mul x4 sqrt x5 mul add c pow tan mul x4 mul x5 mul pow x1 c add x5 add x1 mul x4 sqrt x5 c mul add x4 x5 add mul x4 pow x5 div c c mul x5 add x5 add x1 mul x4 sqrt x5