Y mul c mul pow x2 c mul pow x5 c mul pow add mul c pow cos x1 c mul pow x5 c add pow x5 c add mul c x5 add mul c pow x2 c mul c tan x5 c add mul c pow cos x1 c add mul pow x5 c add pow x5 c add mul c x5 add mul c pow x2 c mul c tan x5 mul c mul x1 sin mul c x1