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