Y add mul c x1 add mul c x5 add mul x1 pow mul add x5 cos x5 cos x5 div c c add mul c mul x5 pow mul add x5 cos x5 cos x5 div c c add mul div c c mul pow x5 c mul pow mul add x5 cos x5 cos x5 div c c tan x5 mul div c c mul x5 mul x1 mul pow mul add x5 cos x5 cos x5 div c c tan x5