Y add mul pow x1 c mul pow x2 c mul pow add mul c sqrt x3 mul c x2 c mul add c mul c pow tan add x3 x2 c add x1 tan add x3 x2 mul c mul pow x3 div c c mul pow x1 c mul pow x2 c mul pow add x1 tan add x3 x2 c add mul c sqrt x3 mul c x2