Y add mul c mul pow x3 c sin mul pow x4 c mul add c mul c x3 add c add x3 add x4 x2 mul pow x3 c mul add mul pow x4 c add c mul c x3 mul c mul pow x4 c add c add x3 add x4 x2 cos mul pow x4 c mul add c mul c x3 add c add x3 add x4 x2