Y mul pow x1 div c c mul pow x4 c mul pow mul x4 add x1 add sqrt x1 sqrt cos x1 div c c mul sqrt mul x4 mul sqrt x1 sqrt mul x4 add x1 add sqrt x1 sqrt cos x1 add mul div c c mul x4 mul pow x1 div c c sqrt mul x4 add x1 add sqrt x1 sqrt cos x1 mul div c c mul x4 mul sqrt x1 mul sqrt mul x4 add x1 add sqrt x1 sqrt cos x1 mul pow add x1 add sqrt x1 sqrt cos x1 c add c add mul div c c pow x1 div c c mul div c c mul pow cos x1 div c c sin x1