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