Y mul div c c mul pow x3 c mul pow add c x3 c mul pow add x3 mul c tan x3 c mul pow add c add x3 cos x4 c mul add c x3 add mul c mul add x3 mul c tan x3 add mul x3 sqrt add c mul pow x3 c tan x3 mul x3 mul x4 add c add x3 cos x4 mul x3 mul sqrt add c mul pow x3 c tan x3 add mul c tan x3 add mul c x3 mul x3 pow tan x3 c