Y add mul x2 mul pow add mul c x1 mul div c c x5 c add x5 x1 add mul x2 mul pow add mul c x1 mul div c c x5 c add x5 tan add div c c mul div c c cos x2 mul div c c mul x2 mul pow add mul c x1 mul div c c x5 c mul add x5 x1 add x5 tan add div c c mul div c c cos x2