Y add mul pow x2 c mul pow add x2 mul x4 add x2 add x4 sqrt x4 c add x2 mul div c c mul pow x2 div c c add c pow tan sqrt x2 c mul c mul pow x2 c mul pow add x2 mul x4 add x2 add x4 sqrt x4 c add mul x2 x2 tan sqrt x2