Y mul div c c mul pow x5 div c c mul pow add x2 add sqrt x5 cos add x1 mul c x2 c mul pow cos add mul c mul pow add x2 add sqrt x5 cos add x1 mul c x2 c cos x2 sin sqrt sin x2 div c c mul cos x2 sin add mul c mul pow add x2 add sqrt x5 cos add x1 mul c x2 c cos x2 sin sqrt sin x2