Y add mul c mul x3 mul pow add x1 mul c mul x4 add x3 x4 c mul pow add x4 pow x3 c c pow add c add x3 mul c sin x1 c mul x3 mul pow add x1 mul c mul x4 add x3 x4 c mul pow add x4 pow x3 c c mul pow add c add x3 mul c sin x1 c cos x1