Y add mul div c c mul pow x1 div c c mul pow x3 div c c mul pow add x3 mul x5 cos x3 c mul add x5 x3 tan mul x5 pow x1 c mul c mul x5 mul pow x1 div c c mul pow x3 div c c mul pow add x3 mul x5 cos x3 c mul add c pow tan mul x5 pow x1 c c add x5 x3