Y add mul pow tan x1 c add mul c pow x1 c mul c mul pow x1 c add c add mul c x1 mul c mul x5 x5 mul pow tan x1 c mul add c mul c pow tan x1 c add x5 add x5 add mul c mul pow x1 c add c add mul c x1 mul c mul x5 x5 cos pow x5 c