Y mul c mul x3 mul x2 mul x3 mul pow add x2 mul c mul x3 mul pow x3 c sqrt tan add x2 tan add x2 x3 div c c mul sqrt tan add x2 tan add x2 x3 add c pow tan mul x2 pow add x2 mul c mul x3 mul pow x3 c sqrt tan add x2 tan add x2 x3 div c c c