Y add mul pow tan x3 div c c add div c c mul div c c pow tan x3 c mul x1 mul pow add x1 add mul c x1 mul x3 mul add c x1 add sqrt x3 sin x1 c mul add mul c mul add c x1 add sqrt x3 sin x1 mul div c c mul sqrt x3 add c x1 cos mul x1 pow add x1 add mul c x1 mul x3 mul add c x1 add sqrt x3 sin x1 c