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