Y mul add c pow tan add c add x2 mul add x2 mul c x1 mul add x4 x1 add mul c x1 add mul c sqrt x2 mul c sqrt x4 c add c add mul add x4 x1 add mul c x1 add mul c sqrt x2 mul c sqrt x4 mul c mul pow x2 div c c mul add x2 mul c x1 add x4 x1