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