Y mul pow add x4 tan x2 div c c add mul div c c mul add x2 mul x5 add x2 add x5 mul c tan x2 add pow cos x2 c mul c sqrt add x4 tan x2 mul c mul sqrt add x4 tan x2 mul add c mul x5 pow tan x2 c add x2 add sqrt add x4 tan x2 mul c x5