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