Y add mul pow add c cos x1 c mul pow cos mul x3 x1 c add c mul add c mul x3 add mul c x3 cos x3 add mul c x3 add mul c cos x3 mul c mul x3 add c mul c sin x3 mul x1 mul pow add c cos x1 c mul pow cos mul x3 x1 c mul add x3 add x5 pow add c mul x3 add mul c x3 cos x3 c sin mul x3 x1