Y add mul c mul x3 mul pow x1 c pow add pow x1 c add mul c x3 add mul x3 pow add mul c x1 tan x3 c add mul c mul x1 x3 tan cos x3 c mul x3 mul pow x1 c mul pow add pow x1 c add mul c x3 add mul x3 pow add mul c x1 tan x3 c add mul c mul x1 x3 tan cos x3 c add x3 add mul c x1 mul c mul x3 pow add mul c x1 tan x3 c