Y mul c mul x5 mul pow x2 c mul pow add x2 x5 c mul pow tan mul x5 mul pow add x2 x5 c pow add c add x1 mul c sqrt x5 c c mul add c pow tan mul x5 mul pow add x2 x5 c pow add c add x1 mul c sqrt x5 c c add c add mul c sqrt x5 mul c x1