Y add mul pow tan add c add x3 add mul c x2 add mul c pow add c mul x1 x2 c mul x2 add x1 mul c mul x1 x2 c add c pow tan x3 c mul pow tan add c add x3 add mul c x2 add mul c pow add c mul x1 x2 c mul x2 add x1 mul c mul x1 x2 c mul add c mul c pow tan add c add x3 add mul c x2 add mul c pow add c mul x1 x2 c mul x2 add x1 mul c mul x1 x2 c tan x3