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