Y mul pow x3 c mul pow cos x3 div c c add mul x3 mul sqrt cos x3 add c add x2 add sqrt cos x3 mul c x1 add mul c mul sqrt cos x3 mul add x3 sin x2 add c add x2 add sqrt cos x3 mul c x1 mul div c c mul x3 mul add x3 sin x2 sin x3