Y mul div c c mul pow x5 c mul pow add x3 mul div c c mul pow x5 c pow add x2 add x3 add mul pow x3 c add mul c x2 mul c x3 tan x5 c div c c mul add c mul c pow x3 c add x2 add x3 add mul pow x3 c add mul c x2 mul c x3 tan x5