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